Home / 1,069,179.52-1,472,101.44-907,715.20

Finding the Fourth Proportional to 1,069,179.52, 1,472,101.44 and 907,715.20

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Solution

The fourth proportional to 1,069,179.52, 1,472,101.44 and 907,715.20 is: 1,249,789.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069,179.52 : 1,472,101.44 = 907,715.20 : x
  2. Step 2: Convert to fraction form
    1,069,179.52/1,472,101.44 = 907,715.20/x
  3. Step 3: Cross multiply
    1,069,179.52x = 1,472,101.44 × 907,715.20
  4. Step 4: Simplify right side
    1,069,179.52x = 1,336,248,853,029.89
  5. Step 5: Solve for x
    x = 1,336,248,853,029.89/1,069,179.52
  6. Step 6: Final answer
    x = 1,249,789.05

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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.