Home / 1,587,631.60-2,190,922.86-862,473.52

Finding the Fourth Proportional to 1,587,631.60, 2,190,922.86 and 862,473.52

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Solution

The fourth proportional to 1,587,631.60, 2,190,922.86 and 862,473.52 is: 1,190,208.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,587,631.60 : 2,190,922.86 = 862,473.52 : x
  2. Step 2: Convert to fraction form
    1,587,631.60/2,190,922.86 = 862,473.52/x
  3. Step 3: Cross multiply
    1,587,631.60x = 2,190,922.86 × 862,473.52
  4. Step 4: Simplify right side
    1,587,631.60x = 1,889,612,951,112.67
  5. Step 5: Solve for x
    x = 1,889,612,951,112.67/1,587,631.60
  6. Step 6: Final answer
    x = 1,190,208.71

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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.