Home / 1,025,041.40-1,539,142.25-867,191.43

Finding the Fourth Proportional to 1,025,041.40, 1,539,142.25 and 867,191.43

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Solution

The fourth proportional to 1,025,041.40, 1,539,142.25 and 867,191.43 is: 1,302,123.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,025,041.40 : 1,539,142.25 = 867,191.43 : x
  2. Step 2: Convert to fraction form
    1,025,041.40/1,539,142.25 = 867,191.43/x
  3. Step 3: Cross multiply
    1,025,041.40x = 1,539,142.25 × 867,191.43
  4. Step 4: Simplify right side
    1,025,041.40x = 1,334,730,970,186.74
  5. Step 5: Solve for x
    x = 1,334,730,970,186.74/1,025,041.40
  6. Step 6: Final answer
    x = 1,302,123.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.