Home / 1,026,331.20-1,535,349.60-887,630.40

Finding the Fourth Proportional to 1,026,331.20, 1,535,349.60 and 887,630.40

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Solution

The fourth proportional to 1,026,331.20, 1,535,349.60 and 887,630.40 is: 1,327,858.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,026,331.20 : 1,535,349.60 = 887,630.40 : x
  2. Step 2: Convert to fraction form
    1,026,331.20/1,535,349.60 = 887,630.40/x
  3. Step 3: Cross multiply
    1,026,331.20x = 1,535,349.60 × 887,630.40
  4. Step 4: Simplify right side
    1,026,331.20x = 1,362,822,979,587.84
  5. Step 5: Solve for x
    x = 1,362,822,979,587.84/1,026,331.20
  6. Step 6: Final answer
    x = 1,327,858.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.