Home / 1,004,239.28-1,385,861.12-551,530.28

Finding the Fourth Proportional to 1,004,239.28, 1,385,861.12 and 551,530.28

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Solution

The fourth proportional to 1,004,239.28, 1,385,861.12 and 551,530.28 is: 761,117.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,004,239.28 : 1,385,861.12 = 551,530.28 : x
  2. Step 2: Convert to fraction form
    1,004,239.28/1,385,861.12 = 551,530.28/x
  3. Step 3: Cross multiply
    1,004,239.28x = 1,385,861.12 × 551,530.28
  4. Step 4: Simplify right side
    1,004,239.28x = 764,344,371,554.71
  5. Step 5: Solve for x
    x = 764,344,371,554.71/1,004,239.28
  6. Step 6: Final answer
    x = 761,117.78

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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.