Home / 1,131,668.20-1,561,713.15-615,433.18

Finding the Fourth Proportional to 1,131,668.20, 1,561,713.15 and 615,433.18

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Solution

The fourth proportional to 1,131,668.20, 1,561,713.15 and 615,433.18 is: 849,303.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,668.20 : 1,561,713.15 = 615,433.18 : x
  2. Step 2: Convert to fraction form
    1,131,668.20/1,561,713.15 = 615,433.18/x
  3. Step 3: Cross multiply
    1,131,668.20x = 1,561,713.15 × 615,433.18
  4. Step 4: Simplify right side
    1,131,668.20x = 961,130,090,152.32
  5. Step 5: Solve for x
    x = 961,130,090,152.32/1,131,668.20
  6. Step 6: Final answer
    x = 849,303.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.