Home / 1,357,399.20-2,036,098.80-902,721.90

Finding the Fourth Proportional to 1,357,399.20, 2,036,098.80 and 902,721.90

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Solution

The fourth proportional to 1,357,399.20, 2,036,098.80 and 902,721.90 is: 1,354,082.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,357,399.20 : 2,036,098.80 = 902,721.90 : x
  2. Step 2: Convert to fraction form
    1,357,399.20/2,036,098.80 = 902,721.90/x
  3. Step 3: Cross multiply
    1,357,399.20x = 2,036,098.80 × 902,721.90
  4. Step 4: Simplify right side
    1,357,399.20x = 1,838,030,977,323.72
  5. Step 5: Solve for x
    x = 1,838,030,977,323.72/1,357,399.20
  6. Step 6: Final answer
    x = 1,354,082.85

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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.