Home / 1,170,012.60-1,755,018.90-328,591.80

Finding the Fourth Proportional to 1,170,012.60, 1,755,018.90 and 328,591.80

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Solution

The fourth proportional to 1,170,012.60, 1,755,018.90 and 328,591.80 is: 492,887.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,012.60 : 1,755,018.90 = 328,591.80 : x
  2. Step 2: Convert to fraction form
    1,170,012.60/1,755,018.90 = 328,591.80/x
  3. Step 3: Cross multiply
    1,170,012.60x = 1,755,018.90 × 328,591.80
  4. Step 4: Simplify right side
    1,170,012.60x = 576,684,819,385.02
  5. Step 5: Solve for x
    x = 576,684,819,385.02/1,170,012.60
  6. Step 6: Final answer
    x = 492,887.70

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Similar ratio
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1.5x scale

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.