Home / 1,107,790.47-1,661,862.75-468,100.26

Finding the Fourth Proportional to 1,107,790.47, 1,661,862.75 and 468,100.26

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Solution

The fourth proportional to 1,107,790.47, 1,661,862.75 and 468,100.26 is: 702,225.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,790.47 : 1,661,862.75 = 468,100.26 : x
  2. Step 2: Convert to fraction form
    1,107,790.47/1,661,862.75 = 468,100.26/x
  3. Step 3: Cross multiply
    1,107,790.47x = 1,661,862.75 × 468,100.26
  4. Step 4: Simplify right side
    1,107,790.47x = 777,918,385,359.32
  5. Step 5: Solve for x
    x = 777,918,385,359.32/1,107,790.47
  6. Step 6: Final answer
    x = 702,225.20

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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.