Home / 1,101,421.83-1,519,988.33-618,022.74

Finding the Fourth Proportional to 1,101,421.83, 1,519,988.33 and 618,022.74

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Solution

The fourth proportional to 1,101,421.83, 1,519,988.33 and 618,022.74 is: 852,886.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,101,421.83 : 1,519,988.33 = 618,022.74 : x
  2. Step 2: Convert to fraction form
    1,101,421.83/1,519,988.33 = 618,022.74/x
  3. Step 3: Cross multiply
    1,101,421.83x = 1,519,988.33 × 618,022.74
  4. Step 4: Simplify right side
    1,101,421.83x = 939,387,352,474.62
  5. Step 5: Solve for x
    x = 939,387,352,474.62/1,101,421.83
  6. Step 6: Final answer
    x = 852,886.08

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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.