Home / 1,587,630.60-2,190,921.48-862,472.52

Finding the Fourth Proportional to 1,587,630.60, 2,190,921.48 and 862,472.52

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Solution

The fourth proportional to 1,587,630.60, 2,190,921.48 and 862,472.52 is: 1,190,207.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,587,630.60 : 2,190,921.48 = 862,472.52 : x
  2. Step 2: Convert to fraction form
    1,587,630.60/2,190,921.48 = 862,472.52/x
  3. Step 3: Cross multiply
    1,587,630.60x = 2,190,921.48 × 862,472.52
  4. Step 4: Simplify right side
    1,587,630.60x = 1,889,609,569,977.73
  5. Step 5: Solve for x
    x = 1,889,609,569,977.73/1,587,630.60
  6. Step 6: Final answer
    x = 1,190,207.33

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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.