Home / 1,145,007.60-1,717,511.40-932,431.20

Finding the Fourth Proportional to 1,145,007.60, 1,717,511.40 and 932,431.20

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Solution

The fourth proportional to 1,145,007.60, 1,717,511.40 and 932,431.20 is: 1,398,646.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,007.60 : 1,717,511.40 = 932,431.20 : x
  2. Step 2: Convert to fraction form
    1,145,007.60/1,717,511.40 = 932,431.20/x
  3. Step 3: Cross multiply
    1,145,007.60x = 1,717,511.40 × 932,431.20
  4. Step 4: Simplify right side
    1,145,007.60x = 1,601,461,215,715.68
  5. Step 5: Solve for x
    x = 1,601,461,215,715.68/1,145,007.60
  6. Step 6: Final answer
    x = 1,398,646.80

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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.