Home / 1,337,637.40-2,006,665.25-438,874.72

Finding the Fourth Proportional to 1,337,637.40, 2,006,665.25 and 438,874.72

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Solution

The fourth proportional to 1,337,637.40, 2,006,665.25 and 438,874.72 is: 658,380.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,337,637.40 : 2,006,665.25 = 438,874.72 : x
  2. Step 2: Convert to fraction form
    1,337,637.40/2,006,665.25 = 438,874.72/x
  3. Step 3: Cross multiply
    1,337,637.40x = 2,006,665.25 × 438,874.72
  4. Step 4: Simplify right side
    1,337,637.40x = 880,674,642,516.44
  5. Step 5: Solve for x
    x = 880,674,642,516.44/1,337,637.40
  6. Step 6: Final answer
    x = 658,380.70

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Double scale
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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.