Home / 1,336,762.60-2,005,143.90-662,947.90

Finding the Fourth Proportional to 1,336,762.60, 2,005,143.90 and 662,947.90

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Solution

The fourth proportional to 1,336,762.60, 2,005,143.90 and 662,947.90 is: 994,421.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,336,762.60 : 2,005,143.90 = 662,947.90 : x
  2. Step 2: Convert to fraction form
    1,336,762.60/2,005,143.90 = 662,947.90/x
  3. Step 3: Cross multiply
    1,336,762.60x = 2,005,143.90 × 662,947.90
  4. Step 4: Simplify right side
    1,336,762.60x = 1,329,305,937,702.81
  5. Step 5: Solve for x
    x = 1,329,305,937,702.81/1,336,762.60
  6. Step 6: Final answer
    x = 994,421.85

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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.