Home / 1,131,661.95-1,561,704.53-615,426.93

Finding the Fourth Proportional to 1,131,661.95, 1,561,704.53 and 615,426.93

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Solution

The fourth proportional to 1,131,661.95, 1,561,704.53 and 615,426.93 is: 849,295.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,661.95 : 1,561,704.53 = 615,426.93 : x
  2. Step 2: Convert to fraction form
    1,131,661.95/1,561,704.53 = 615,426.93/x
  3. Step 3: Cross multiply
    1,131,661.95x = 1,561,704.53 × 615,426.93
  4. Step 4: Simplify right side
    1,131,661.95x = 961,115,021,387.86
  5. Step 5: Solve for x
    x = 961,115,021,387.86/1,131,661.95
  6. Step 6: Final answer
    x = 849,295.16

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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.