Home / 996,913.30-1,495,369.95-919,930.90

Finding the Fourth Proportional to 996,913.30, 1,495,369.95 and 919,930.90

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Solution

The fourth proportional to 996,913.30, 1,495,369.95 and 919,930.90 is: 1,379,896.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,913.30 : 1,495,369.95 = 919,930.90 : x
  2. Step 2: Convert to fraction form
    996,913.30/1,495,369.95 = 919,930.90/x
  3. Step 3: Cross multiply
    996,913.30x = 1,495,369.95 × 919,930.90
  4. Step 4: Simplify right side
    996,913.30x = 1,375,637,023,936.46
  5. Step 5: Solve for x
    x = 1,375,637,023,936.46/996,913.30
  6. Step 6: Final answer
    x = 1,379,896.35

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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.