Home / 1,116,246.30-1,672,522.65-642,104.70

Finding the Fourth Proportional to 1,116,246.30, 1,672,522.65 and 642,104.70

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Solution

The fourth proportional to 1,116,246.30, 1,672,522.65 and 642,104.70 is: 962,094.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116,246.30 : 1,672,522.65 = 642,104.70 : x
  2. Step 2: Convert to fraction form
    1,116,246.30/1,672,522.65 = 642,104.70/x
  3. Step 3: Cross multiply
    1,116,246.30x = 1,672,522.65 × 642,104.70
  4. Step 4: Simplify right side
    1,116,246.30x = 1,073,934,654,421.45
  5. Step 5: Solve for x
    x = 1,073,934,654,421.45/1,116,246.30
  6. Step 6: Final answer
    x = 962,094.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.