Home / 1,487,371.52-2,052,319.20-842,658.56

Finding the Fourth Proportional to 1,487,371.52, 2,052,319.20 and 842,658.56

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Solution

The fourth proportional to 1,487,371.52, 2,052,319.20 and 842,658.56 is: 1,162,725.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,487,371.52 : 2,052,319.20 = 842,658.56 : x
  2. Step 2: Convert to fraction form
    1,487,371.52/2,052,319.20 = 842,658.56/x
  3. Step 3: Cross multiply
    1,487,371.52x = 2,052,319.20 × 842,658.56
  4. Step 4: Simplify right side
    1,487,371.52x = 1,729,404,341,732.35
  5. Step 5: Solve for x
    x = 1,729,404,341,732.35/1,487,371.52
  6. Step 6: Final answer
    x = 1,162,725.20

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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.