Home / 1,218,043.40-1,826,892.30-376,680.20

Finding the Fourth Proportional to 1,218,043.40, 1,826,892.30 and 376,680.20

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Solution

The fourth proportional to 1,218,043.40, 1,826,892.30 and 376,680.20 is: 564,966.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,043.40 : 1,826,892.30 = 376,680.20 : x
  2. Step 2: Convert to fraction form
    1,218,043.40/1,826,892.30 = 376,680.20/x
  3. Step 3: Cross multiply
    1,218,043.40x = 1,826,892.30 × 376,680.20
  4. Step 4: Simplify right side
    1,218,043.40x = 688,154,156,942.46
  5. Step 5: Solve for x
    x = 688,154,156,942.46/1,218,043.40
  6. Step 6: Final answer
    x = 564,966.86

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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.