Home / 1,169,309.80-1,755,276.90-904,245.40

Finding the Fourth Proportional to 1,169,309.80, 1,755,276.90 and 904,245.40

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Solution

The fourth proportional to 1,169,309.80, 1,755,276.90 and 904,245.40 is: 1,357,382.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,169,309.80 : 1,755,276.90 = 904,245.40 : x
  2. Step 2: Convert to fraction form
    1,169,309.80/1,755,276.90 = 904,245.40/x
  3. Step 3: Cross multiply
    1,169,309.80x = 1,755,276.90 × 904,245.40
  4. Step 4: Simplify right side
    1,169,309.80x = 1,587,201,062,551.26
  5. Step 5: Solve for x
    x = 1,587,201,062,551.26/1,169,309.80
  6. Step 6: Final answer
    x = 1,357,382.84

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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.