Home / 1,031,393.28-1,423,504.56-649,539.84

Finding the Fourth Proportional to 1,031,393.28, 1,423,504.56 and 649,539.84

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Solution

The fourth proportional to 1,031,393.28, 1,423,504.56 and 649,539.84 is: 896,479.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,031,393.28 : 1,423,504.56 = 649,539.84 : x
  2. Step 2: Convert to fraction form
    1,031,393.28/1,423,504.56 = 649,539.84/x
  3. Step 3: Cross multiply
    1,031,393.28x = 1,423,504.56 × 649,539.84
  4. Step 4: Simplify right side
    1,031,393.28x = 924,622,924,141.67
  5. Step 5: Solve for x
    x = 924,622,924,141.67/1,031,393.28
  6. Step 6: Final answer
    x = 896,479.49

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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.