Home / 1,130,032.80-1,558,375.20-742,165.92

Finding the Fourth Proportional to 1,130,032.80, 1,558,375.20 and 742,165.92

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Solution

The fourth proportional to 1,130,032.80, 1,558,375.20 and 742,165.92 is: 1,023,486.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,130,032.80 : 1,558,375.20 = 742,165.92 : x
  2. Step 2: Convert to fraction form
    1,130,032.80/1,558,375.20 = 742,165.92/x
  3. Step 3: Cross multiply
    1,130,032.80x = 1,558,375.20 × 742,165.92
  4. Step 4: Simplify right side
    1,130,032.80x = 1,156,572,964,013.18
  5. Step 5: Solve for x
    x = 1,156,572,964,013.18/1,130,032.80
  6. Step 6: Final answer
    x = 1,023,486.19

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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.