Home / 1,126,243.32-1,554,216.08-616,963.80

Finding the Fourth Proportional to 1,126,243.32, 1,554,216.08 and 616,963.80

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Solution

The fourth proportional to 1,126,243.32, 1,554,216.08 and 616,963.80 is: 851,410.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,243.32 : 1,554,216.08 = 616,963.80 : x
  2. Step 2: Convert to fraction form
    1,126,243.32/1,554,216.08 = 616,963.80/x
  3. Step 3: Cross multiply
    1,126,243.32x = 1,554,216.08 × 616,963.80
  4. Step 4: Simplify right side
    1,126,243.32x = 958,895,058,737.90
  5. Step 5: Solve for x
    x = 958,895,058,737.90/1,126,243.32
  6. Step 6: Final answer
    x = 851,410.21

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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.