Home / 1,189,959.04-1,642,142.46-653,415.04

Finding the Fourth Proportional to 1,189,959.04, 1,642,142.46 and 653,415.04

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Solution

The fourth proportional to 1,189,959.04, 1,642,142.46 and 653,415.04 is: 901,712.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,189,959.04 : 1,642,142.46 = 653,415.04 : x
  2. Step 2: Convert to fraction form
    1,189,959.04/1,642,142.46 = 653,415.04/x
  3. Step 3: Cross multiply
    1,189,959.04x = 1,642,142.46 × 653,415.04
  4. Step 4: Simplify right side
    1,189,959.04x = 1,073,000,581,186.60
  5. Step 5: Solve for x
    x = 1,073,000,581,186.60/1,189,959.04
  6. Step 6: Final answer
    x = 901,712.20

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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.