Home / 1,435,223.52-1,982,622.96-1,359,640.80

Finding the Fourth Proportional to 1,435,223.52, 1,982,622.96 and 1,359,640.80

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Solution

The fourth proportional to 1,435,223.52, 1,982,622.96 and 1,359,640.80 is: 1,878,212.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,435,223.52 : 1,982,622.96 = 1,359,640.80 : x
  2. Step 2: Convert to fraction form
    1,435,223.52/1,982,622.96 = 1,359,640.80/x
  3. Step 3: Cross multiply
    1,435,223.52x = 1,982,622.96 × 1,359,640.80
  4. Step 4: Simplify right side
    1,435,223.52x = 2,695,655,067,432.77
  5. Step 5: Solve for x
    x = 2,695,655,067,432.77/1,435,223.52
  6. Step 6: Final answer
    x = 1,878,212.72

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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.