Home / 1,178,123.52-1,625,816.98-661,899.18

Finding the Fourth Proportional to 1,178,123.52, 1,625,816.98 and 661,899.18

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Solution

The fourth proportional to 1,178,123.52, 1,625,816.98 and 661,899.18 is: 913,424.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,123.52 : 1,625,816.98 = 661,899.18 : x
  2. Step 2: Convert to fraction form
    1,178,123.52/1,625,816.98 = 661,899.18/x
  3. Step 3: Cross multiply
    1,178,123.52x = 1,625,816.98 × 661,899.18
  4. Step 4: Simplify right side
    1,178,123.52x = 1,076,126,925,892.08
  5. Step 5: Solve for x
    x = 1,076,126,925,892.08/1,178,123.52
  6. Step 6: Final answer
    x = 913,424.53

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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.