Home / 1,000,679.42-1,380,373.70-633,042.69

Finding the Fourth Proportional to 1,000,679.42, 1,380,373.70 and 633,042.69

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Solution

The fourth proportional to 1,000,679.42, 1,380,373.70 and 633,042.69 is: 873,242.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,679.42 : 1,380,373.70 = 633,042.69 : x
  2. Step 2: Convert to fraction form
    1,000,679.42/1,380,373.70 = 633,042.69/x
  3. Step 3: Cross multiply
    1,000,679.42x = 1,380,373.70 × 633,042.69
  4. Step 4: Simplify right side
    1,000,679.42x = 873,835,480,253.25
  5. Step 5: Solve for x
    x = 873,835,480,253.25/1,000,679.42
  6. Step 6: Final answer
    x = 873,242.18

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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.