Home / 1,006,742.90-1,389,304.76-554,033.90

Finding the Fourth Proportional to 1,006,742.90, 1,389,304.76 and 554,033.90

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Solution

The fourth proportional to 1,006,742.90, 1,389,304.76 and 554,033.90 is: 764,566.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,006,742.90 : 1,389,304.76 = 554,033.90 : x
  2. Step 2: Convert to fraction form
    1,006,742.90/1,389,304.76 = 554,033.90/x
  3. Step 3: Cross multiply
    1,006,742.90x = 1,389,304.76 × 554,033.90
  4. Step 4: Simplify right side
    1,006,742.90x = 769,721,934,471.36
  5. Step 5: Solve for x
    x = 769,721,934,471.36/1,006,742.90
  6. Step 6: Final answer
    x = 764,566.54

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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.