Home / 1,170,078.80-1,755,118.20-1,037,218.55

Finding the Fourth Proportional to 1,170,078.80, 1,755,118.20 and 1,037,218.55

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Solution

The fourth proportional to 1,170,078.80, 1,755,118.20 and 1,037,218.55 is: 1,555,827.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,078.80 : 1,755,118.20 = 1,037,218.55 : x
  2. Step 2: Convert to fraction form
    1,170,078.80/1,755,118.20 = 1,037,218.55/x
  3. Step 3: Cross multiply
    1,170,078.80x = 1,755,118.20 × 1,037,218.55
  4. Step 4: Simplify right side
    1,170,078.80x = 1,820,441,154,482.61
  5. Step 5: Solve for x
    x = 1,820,441,154,482.61/1,170,078.80
  6. Step 6: Final answer
    x = 1,555,827.83

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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.