Home / 1,097,337.80-1,646,006.70-387,360.20

Finding the Fourth Proportional to 1,097,337.80, 1,646,006.70 and 387,360.20

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Solution

The fourth proportional to 1,097,337.80, 1,646,006.70 and 387,360.20 is: 581,040.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,097,337.80 : 1,646,006.70 = 387,360.20 : x
  2. Step 2: Convert to fraction form
    1,097,337.80/1,646,006.70 = 387,360.20/x
  3. Step 3: Cross multiply
    1,097,337.80x = 1,646,006.70 × 387,360.20
  4. Step 4: Simplify right side
    1,097,337.80x = 637,597,484,513.34
  5. Step 5: Solve for x
    x = 637,597,484,513.34/1,097,337.80
  6. Step 6: Final answer
    x = 581,040.30

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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.