Home / 996,959.30-1,495,438.95-919,976.90

Finding the Fourth Proportional to 996,959.30, 1,495,438.95 and 919,976.90

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Solution

The fourth proportional to 996,959.30, 1,495,438.95 and 919,976.90 is: 1,379,965.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,959.30 : 1,495,438.95 = 919,976.90 : x
  2. Step 2: Convert to fraction form
    996,959.30/1,495,438.95 = 919,976.90/x
  3. Step 3: Cross multiply
    996,959.30x = 1,495,438.95 × 919,976.90
  4. Step 4: Simplify right side
    996,959.30x = 1,375,769,289,360.25
  5. Step 5: Solve for x
    x = 1,375,769,289,360.25/996,959.30
  6. Step 6: Final answer
    x = 1,379,965.35

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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.