Home / 1,007,769.39-1,390,723.17-548,885.76

Finding the Fourth Proportional to 1,007,769.39, 1,390,723.17 and 548,885.76

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Solution

The fourth proportional to 1,007,769.39, 1,390,723.17 and 548,885.76 is: 757,463.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,769.39 : 1,390,723.17 = 548,885.76 : x
  2. Step 2: Convert to fraction form
    1,007,769.39/1,390,723.17 = 548,885.76/x
  3. Step 3: Cross multiply
    1,007,769.39x = 1,390,723.17 × 548,885.76
  4. Step 4: Simplify right side
    1,007,769.39x = 763,348,144,115.06
  5. Step 5: Solve for x
    x = 763,348,144,115.06/1,007,769.39
  6. Step 6: Final answer
    x = 757,463.12

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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.