Home / 1,060,877.80-1,591,316.70-429,812.20

Finding the Fourth Proportional to 1,060,877.80, 1,591,316.70 and 429,812.20

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Solution

The fourth proportional to 1,060,877.80, 1,591,316.70 and 429,812.20 is: 644,718.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,060,877.80 : 1,591,316.70 = 429,812.20 : x
  2. Step 2: Convert to fraction form
    1,060,877.80/1,591,316.70 = 429,812.20/x
  3. Step 3: Cross multiply
    1,060,877.80x = 1,591,316.70 × 429,812.20
  4. Step 4: Simplify right side
    1,060,877.80x = 683,967,331,723.74
  5. Step 5: Solve for x
    x = 683,967,331,723.74/1,060,877.80
  6. Step 6: Final answer
    x = 644,718.30

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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.