Home / 996,981.90-1,495,472.85-678,117.30

Finding the Fourth Proportional to 996,981.90, 1,495,472.85 and 678,117.30

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Solution

The fourth proportional to 996,981.90, 1,495,472.85 and 678,117.30 is: 1,017,175.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,981.90 : 1,495,472.85 = 678,117.30 : x
  2. Step 2: Convert to fraction form
    996,981.90/1,495,472.85 = 678,117.30/x
  3. Step 3: Cross multiply
    996,981.90x = 1,495,472.85 × 678,117.30
  4. Step 4: Simplify right side
    996,981.90x = 1,014,106,011,265.31
  5. Step 5: Solve for x
    x = 1,014,106,011,265.31/996,981.90
  6. Step 6: Final answer
    x = 1,017,175.95

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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.