Home / 1,342,680.90-1,852,939.02-730,873.58

Finding the Fourth Proportional to 1,342,680.90, 1,852,939.02 and 730,873.58

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Solution

The fourth proportional to 1,342,680.90, 1,852,939.02 and 730,873.58 is: 1,008,626.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,342,680.90 : 1,852,939.02 = 730,873.58 : x
  2. Step 2: Convert to fraction form
    1,342,680.90/1,852,939.02 = 730,873.58/x
  3. Step 3: Cross multiply
    1,342,680.90x = 1,852,939.02 × 730,873.58
  4. Step 4: Simplify right side
    1,342,680.90x = 1,354,264,175,069.09
  5. Step 5: Solve for x
    x = 1,354,264,175,069.09/1,342,680.90
  6. Step 6: Final answer
    x = 1,008,626.98

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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.