Home / 1,170,013.10-1,755,019.65-328,592.30

Finding the Fourth Proportional to 1,170,013.10, 1,755,019.65 and 328,592.30

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Solution

The fourth proportional to 1,170,013.10, 1,755,019.65 and 328,592.30 is: 492,888.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,013.10 : 1,755,019.65 = 328,592.30 : x
  2. Step 2: Convert to fraction form
    1,170,013.10/1,755,019.65 = 328,592.30/x
  3. Step 3: Cross multiply
    1,170,013.10x = 1,755,019.65 × 328,592.30
  4. Step 4: Simplify right side
    1,170,013.10x = 576,685,943,338.70
  5. Step 5: Solve for x
    x = 576,685,943,338.70/1,170,013.10
  6. Step 6: Final answer
    x = 492,888.45

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.