Home / 1,753,235.20-2,629,658.40-1,437,140.80

Finding the Fourth Proportional to 1,753,235.20, 2,629,658.40 and 1,437,140.80

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Solution

The fourth proportional to 1,753,235.20, 2,629,658.40 and 1,437,140.80 is: 2,155,551.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,753,235.20 : 2,629,658.40 = 1,437,140.80 : x
  2. Step 2: Convert to fraction form
    1,753,235.20/2,629,658.40 = 1,437,140.80/x
  3. Step 3: Cross multiply
    1,753,235.20x = 2,629,658.40 × 1,437,140.80
  4. Step 4: Simplify right side
    1,753,235.20x = 3,779,189,376,702.72
  5. Step 5: Solve for x
    x = 3,779,189,376,702.72/1,753,235.20
  6. Step 6: Final answer
    x = 2,155,551.85

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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.