Home / 1,102,305.60-1,651,708.80-727,891.20

Finding the Fourth Proportional to 1,102,305.60, 1,651,708.80 and 727,891.20

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Solution

The fourth proportional to 1,102,305.60, 1,651,708.80 and 727,891.20 is: 1,090,681.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,102,305.60 : 1,651,708.80 = 727,891.20 : x
  2. Step 2: Convert to fraction form
    1,102,305.60/1,651,708.80 = 727,891.20/x
  3. Step 3: Cross multiply
    1,102,305.60x = 1,651,708.80 × 727,891.20
  4. Step 4: Simplify right side
    1,102,305.60x = 1,202,264,300,482.56
  5. Step 5: Solve for x
    x = 1,202,264,300,482.56/1,102,305.60
  6. Step 6: Final answer
    x = 1,090,681.48

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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.