Home / 1,111,425.90-1,665,366.93-711,737.70

Finding the Fourth Proportional to 1,111,425.90, 1,665,366.93 and 711,737.70

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Solution

The fourth proportional to 1,111,425.90, 1,665,366.93 and 711,737.70 is: 1,066,471.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,111,425.90 : 1,665,366.93 = 711,737.70 : x
  2. Step 2: Convert to fraction form
    1,111,425.90/1,665,366.93 = 711,737.70/x
  3. Step 3: Cross multiply
    1,111,425.90x = 1,665,366.93 × 711,737.70
  4. Step 4: Simplify right side
    1,111,425.90x = 1,185,304,428,414.26
  5. Step 5: Solve for x
    x = 1,185,304,428,414.26/1,111,425.90
  6. Step 6: Final answer
    x = 1,066,471.84

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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.