Home / 1,007,583.76-1,390,517.04-572,031.64

Finding the Fourth Proportional to 1,007,583.76, 1,390,517.04 and 572,031.64

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Solution

The fourth proportional to 1,007,583.76, 1,390,517.04 and 572,031.64 is: 789,432.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,583.76 : 1,390,517.04 = 572,031.64 : x
  2. Step 2: Convert to fraction form
    1,007,583.76/1,390,517.04 = 572,031.64/x
  3. Step 3: Cross multiply
    1,007,583.76x = 1,390,517.04 × 572,031.64
  4. Step 4: Simplify right side
    1,007,583.76x = 795,419,742,839.15
  5. Step 5: Solve for x
    x = 795,419,742,839.15/1,007,583.76
  6. Step 6: Final answer
    x = 789,432.87

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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.