Home / 1,323,508.16-1,984,294.38-424,438.13

Finding the Fourth Proportional to 1,323,508.16, 1,984,294.38 and 424,438.13

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Solution

The fourth proportional to 1,323,508.16, 1,984,294.38 and 424,438.13 is: 636,346.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,323,508.16 : 1,984,294.38 = 424,438.13 : x
  2. Step 2: Convert to fraction form
    1,323,508.16/1,984,294.38 = 424,438.13/x
  3. Step 3: Cross multiply
    1,323,508.16x = 1,984,294.38 × 424,438.13
  4. Step 4: Simplify right side
    1,323,508.16x = 842,210,196,016.71
  5. Step 5: Solve for x
    x = 842,210,196,016.71/1,323,508.16
  6. Step 6: Final answer
    x = 636,346.81

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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.