Home / 1,101,421.34-1,519,987.65-618,022.24

Finding the Fourth Proportional to 1,101,421.34, 1,519,987.65 and 618,022.24

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Solution

The fourth proportional to 1,101,421.34, 1,519,987.65 and 618,022.24 is: 852,885.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,101,421.34 : 1,519,987.65 = 618,022.24 : x
  2. Step 2: Convert to fraction form
    1,101,421.34/1,519,987.65 = 618,022.24/x
  3. Step 3: Cross multiply
    1,101,421.34x = 1,519,987.65 × 618,022.24
  4. Step 4: Simplify right side
    1,101,421.34x = 939,386,161,535.29
  5. Step 5: Solve for x
    x = 939,386,161,535.29/1,101,421.34
  6. Step 6: Final answer
    x = 852,885.39

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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.