Home / 1,331,792.35-1,997,706.95-433,238.78

Finding the Fourth Proportional to 1,331,792.35, 1,997,706.95 and 433,238.78

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Solution

The fourth proportional to 1,331,792.35, 1,997,706.95 and 433,238.78 is: 649,864.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,792.35 : 1,997,706.95 = 433,238.78 : x
  2. Step 2: Convert to fraction form
    1,331,792.35/1,997,706.95 = 433,238.78/x
  3. Step 3: Cross multiply
    1,331,792.35x = 1,997,706.95 × 433,238.78
  4. Step 4: Simplify right side
    1,331,792.35x = 865,484,121,815.52
  5. Step 5: Solve for x
    x = 865,484,121,815.52/1,331,792.35
  6. Step 6: Final answer
    x = 649,864.16

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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.