Home / 1,007,378.90-1,511,068.35-996,881.30

Finding the Fourth Proportional to 1,007,378.90, 1,511,068.35 and 996,881.30

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Solution

The fourth proportional to 1,007,378.90, 1,511,068.35 and 996,881.30 is: 1,495,321.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,378.90 : 1,511,068.35 = 996,881.30 : x
  2. Step 2: Convert to fraction form
    1,007,378.90/1,511,068.35 = 996,881.30/x
  3. Step 3: Cross multiply
    1,007,378.90x = 1,511,068.35 × 996,881.30
  4. Step 4: Simplify right side
    1,007,378.90x = 1,506,355,781,136.86
  5. Step 5: Solve for x
    x = 1,506,355,781,136.86/1,007,378.90
  6. Step 6: Final answer
    x = 1,495,321.95

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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.