Home / 1,091,570.40-1,637,355.60-932,138.10

Finding the Fourth Proportional to 1,091,570.40, 1,637,355.60 and 932,138.10

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Solution

The fourth proportional to 1,091,570.40, 1,637,355.60 and 932,138.10 is: 1,398,207.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,570.40 : 1,637,355.60 = 932,138.10 : x
  2. Step 2: Convert to fraction form
    1,091,570.40/1,637,355.60 = 932,138.10/x
  3. Step 3: Cross multiply
    1,091,570.40x = 1,637,355.60 × 932,138.10
  4. Step 4: Simplify right side
    1,091,570.40x = 1,526,241,538,008.36
  5. Step 5: Solve for x
    x = 1,526,241,538,008.36/1,091,570.40
  6. Step 6: Final answer
    x = 1,398,207.15

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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.