Home / 1,069,181.52-1,472,104.20-907,717.20

Finding the Fourth Proportional to 1,069,181.52, 1,472,104.20 and 907,717.20

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Solution

The fourth proportional to 1,069,181.52, 1,472,104.20 and 907,717.20 is: 1,249,791.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069,181.52 : 1,472,104.20 = 907,717.20 : x
  2. Step 2: Convert to fraction form
    1,069,181.52/1,472,104.20 = 907,717.20/x
  3. Step 3: Cross multiply
    1,069,181.52x = 1,472,104.20 × 907,717.20
  4. Step 4: Simplify right side
    1,069,181.52x = 1,336,254,302,532.24
  5. Step 5: Solve for x
    x = 1,336,254,302,532.24/1,069,181.52
  6. Step 6: Final answer
    x = 1,249,791.81

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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.