Home / 1,440,471.60-2,157,864.30-731,008.80

Finding the Fourth Proportional to 1,440,471.60, 2,157,864.30 and 731,008.80

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Solution

The fourth proportional to 1,440,471.60, 2,157,864.30 and 731,008.80 is: 1,095,070.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,440,471.60 : 2,157,864.30 = 731,008.80 : x
  2. Step 2: Convert to fraction form
    1,440,471.60/2,157,864.30 = 731,008.80/x
  3. Step 3: Cross multiply
    1,440,471.60x = 2,157,864.30 × 731,008.80
  4. Step 4: Simplify right side
    1,440,471.60x = 1,577,417,792,505.84
  5. Step 5: Solve for x
    x = 1,577,417,792,505.84/1,440,471.60
  6. Step 6: Final answer
    x = 1,095,070.39

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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.