Home / 861,079.79-1,290,976.26-594,078.41

Finding the Fourth Proportional to 861,079.79, 1,290,976.26 and 594,078.41

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Solution

The fourth proportional to 861,079.79, 1,290,976.26 and 594,078.41 is: 890,673.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,079.79 : 1,290,976.26 = 594,078.41 : x
  2. Step 2: Convert to fraction form
    861,079.79/1,290,976.26 = 594,078.41/x
  3. Step 3: Cross multiply
    861,079.79x = 1,290,976.26 × 594,078.41
  4. Step 4: Simplify right side
    861,079.79x = 766,941,117,433.67
  5. Step 5: Solve for x
    x = 766,941,117,433.67/861,079.79
  6. Step 6: Final answer
    x = 890,673.70

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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.