Home / 1,071,812.94-1,478,798.91-690,060.78

Finding the Fourth Proportional to 1,071,812.94, 1,478,798.91 and 690,060.78

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Solution

The fourth proportional to 1,071,812.94, 1,478,798.91 and 690,060.78 is: 952,088.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,071,812.94 : 1,478,798.91 = 690,060.78 : x
  2. Step 2: Convert to fraction form
    1,071,812.94/1,478,798.91 = 690,060.78/x
  3. Step 3: Cross multiply
    1,071,812.94x = 1,478,798.91 × 690,060.78
  4. Step 4: Simplify right side
    1,071,812.94x = 1,020,461,129,297.75
  5. Step 5: Solve for x
    x = 1,020,461,129,297.75/1,071,812.94
  6. Step 6: Final answer
    x = 952,088.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.