Home / 1,006,843-1,389,443.70-554,124.28

Finding the Fourth Proportional to 1,006,843, 1,389,443.70 and 554,124.28

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Solution

The fourth proportional to 1,006,843, 1,389,443.70 and 554,124.28 is: 764,691.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,006,843 : 1,389,443.70 = 554,124.28 : x
  2. Step 2: Convert to fraction form
    1,006,843/1,389,443.70 = 554,124.28/x
  3. Step 3: Cross multiply
    1,006,843x = 1,389,443.70 × 554,124.28
  4. Step 4: Simplify right side
    1,006,843x = 769,924,489,863.04
  5. Step 5: Solve for x
    x = 769,924,489,863.04/1,006,843
  6. Step 6: Final answer
    x = 764,691.70

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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.