Home / 1,076,963.27-1,486,279.40-618,226.31

Finding the Fourth Proportional to 1,076,963.27, 1,486,279.40 and 618,226.31

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Solution

The fourth proportional to 1,076,963.27, 1,486,279.40 and 618,226.31 is: 853,192.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,076,963.27 : 1,486,279.40 = 618,226.31 : x
  2. Step 2: Convert to fraction form
    1,076,963.27/1,486,279.40 = 618,226.31/x
  3. Step 3: Cross multiply
    1,076,963.27x = 1,486,279.40 × 618,226.31
  4. Step 4: Simplify right side
    1,076,963.27x = 918,857,029,715.58
  5. Step 5: Solve for x
    x = 918,857,029,715.58/1,076,963.27
  6. Step 6: Final answer
    x = 853,192.55

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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.