Home / 1,238,774.20-1,859,254.80-732,702.40

Finding the Fourth Proportional to 1,238,774.20, 1,859,254.80 and 732,702.40

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Solution

The fourth proportional to 1,238,774.20, 1,859,254.80 and 732,702.40 is: 1,099,700.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,774.20 : 1,859,254.80 = 732,702.40 : x
  2. Step 2: Convert to fraction form
    1,238,774.20/1,859,254.80 = 732,702.40/x
  3. Step 3: Cross multiply
    1,238,774.20x = 1,859,254.80 × 732,702.40
  4. Step 4: Simplify right side
    1,238,774.20x = 1,362,280,454,171.52
  5. Step 5: Solve for x
    x = 1,362,280,454,171.52/1,238,774.20
  6. Step 6: Final answer
    x = 1,099,700.38

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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.