Home / 1,127,062.32-1,555,505.49-697,480.80

Finding the Fourth Proportional to 1,127,062.32, 1,555,505.49 and 697,480.80

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Solution

The fourth proportional to 1,127,062.32, 1,555,505.49 and 697,480.80 is: 962,622.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,062.32 : 1,555,505.49 = 697,480.80 : x
  2. Step 2: Convert to fraction form
    1,127,062.32/1,555,505.49 = 697,480.80/x
  3. Step 3: Cross multiply
    1,127,062.32x = 1,555,505.49 × 697,480.80
  4. Step 4: Simplify right side
    1,127,062.32x = 1,084,935,213,569.59
  5. Step 5: Solve for x
    x = 1,084,935,213,569.59/1,127,062.32
  6. Step 6: Final answer
    x = 962,622.20

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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.