Home / 1,170,015.10-1,755,022.65-328,594.30

Finding the Fourth Proportional to 1,170,015.10, 1,755,022.65 and 328,594.30

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Solution

The fourth proportional to 1,170,015.10, 1,755,022.65 and 328,594.30 is: 492,891.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,015.10 : 1,755,022.65 = 328,594.30 : x
  2. Step 2: Convert to fraction form
    1,170,015.10/1,755,022.65 = 328,594.30/x
  3. Step 3: Cross multiply
    1,170,015.10x = 1,755,022.65 × 328,594.30
  4. Step 4: Simplify right side
    1,170,015.10x = 576,690,439,160.90
  5. Step 5: Solve for x
    x = 576,690,439,160.90/1,170,015.10
  6. Step 6: Final answer
    x = 492,891.45

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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.