Home / 1,415,861.10-2,123,694.45-456,302.70

Finding the Fourth Proportional to 1,415,861.10, 2,123,694.45 and 456,302.70

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Solution

The fourth proportional to 1,415,861.10, 2,123,694.45 and 456,302.70 is: 684,422.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,415,861.10 : 2,123,694.45 = 456,302.70 : x
  2. Step 2: Convert to fraction form
    1,415,861.10/2,123,694.45 = 456,302.70/x
  3. Step 3: Cross multiply
    1,415,861.10x = 2,123,694.45 × 456,302.70
  4. Step 4: Simplify right side
    1,415,861.10x = 969,047,511,510.02
  5. Step 5: Solve for x
    x = 969,047,511,510.02/1,415,861.10
  6. Step 6: Final answer
    x = 684,422.72

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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.