Home / 1,370,872.10-1,891,862.65-759,024.89

Finding the Fourth Proportional to 1,370,872.10, 1,891,862.65 and 759,024.89

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Solution

The fourth proportional to 1,370,872.10, 1,891,862.65 and 759,024.89 is: 1,047,487.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370,872.10 : 1,891,862.65 = 759,024.89 : x
  2. Step 2: Convert to fraction form
    1,370,872.10/1,891,862.65 = 759,024.89/x
  3. Step 3: Cross multiply
    1,370,872.10x = 1,891,862.65 × 759,024.89
  4. Step 4: Simplify right side
    1,370,872.10x = 1,435,970,851,171.80
  5. Step 5: Solve for x
    x = 1,435,970,851,171.80/1,370,872.10
  6. Step 6: Final answer
    x = 1,047,487.11

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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.