Home / 1,213,750.71-1,674,974.30-669,886.88

Finding the Fourth Proportional to 1,213,750.71, 1,674,974.30 and 669,886.88

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Solution

The fourth proportional to 1,213,750.71, 1,674,974.30 and 669,886.88 is: 924,442.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,750.71 : 1,674,974.30 = 669,886.88 : x
  2. Step 2: Convert to fraction form
    1,213,750.71/1,674,974.30 = 669,886.88/x
  3. Step 3: Cross multiply
    1,213,750.71x = 1,674,974.30 × 669,886.88
  4. Step 4: Simplify right side
    1,213,750.71x = 1,122,043,296,182.88
  5. Step 5: Solve for x
    x = 1,122,043,296,182.88/1,213,750.71
  6. Step 6: Final answer
    x = 924,442.96

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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.