Home / 1,544,689.60-2,319,658.80-1,145,780.80

Finding the Fourth Proportional to 1,544,689.60, 2,319,658.80 and 1,145,780.80

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Solution

The fourth proportional to 1,544,689.60, 2,319,658.80 and 1,145,780.80 is: 1,720,617.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,544,689.60 : 2,319,658.80 = 1,145,780.80 : x
  2. Step 2: Convert to fraction form
    1,544,689.60/2,319,658.80 = 1,145,780.80/x
  3. Step 3: Cross multiply
    1,544,689.60x = 2,319,658.80 × 1,145,780.80
  4. Step 4: Simplify right side
    1,544,689.60x = 2,657,820,515,591.04
  5. Step 5: Solve for x
    x = 2,657,820,515,591.04/1,544,689.60
  6. Step 6: Final answer
    x = 1,720,617.86

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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.