Home / 1,101,423.74-1,519,990.97-618,024.64

Finding the Fourth Proportional to 1,101,423.74, 1,519,990.97 and 618,024.64

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Solution

The fourth proportional to 1,101,423.74, 1,519,990.97 and 618,024.64 is: 852,888.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,101,423.74 : 1,519,990.97 = 618,024.64 : x
  2. Step 2: Convert to fraction form
    1,101,423.74/1,519,990.97 = 618,024.64/x
  3. Step 3: Cross multiply
    1,101,423.74x = 1,519,990.97 × 618,024.64
  4. Step 4: Simplify right side
    1,101,423.74x = 939,391,869,336.29
  5. Step 5: Solve for x
    x = 939,391,869,336.29/1,101,423.74
  6. Step 6: Final answer
    x = 852,888.71

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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.