Home / 927,123.20-1,388,611.20-906,387.20

Finding the Fourth Proportional to 927,123.20, 1,388,611.20 and 906,387.20

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Solution

The fourth proportional to 927,123.20, 1,388,611.20 and 906,387.20 is: 1,357,553.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,123.20 : 1,388,611.20 = 906,387.20 : x
  2. Step 2: Convert to fraction form
    927,123.20/1,388,611.20 = 906,387.20/x
  3. Step 3: Cross multiply
    927,123.20x = 1,388,611.20 × 906,387.20
  4. Step 4: Simplify right side
    927,123.20x = 1,258,619,417,456.64
  5. Step 5: Solve for x
    x = 1,258,619,417,456.64/927,123.20
  6. Step 6: Final answer
    x = 1,357,553.58

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1.5x scale

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.