Home / 1,519,205.70-2,278,444.05-878,123.10

Finding the Fourth Proportional to 1,519,205.70, 2,278,444.05 and 878,123.10

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Solution

The fourth proportional to 1,519,205.70, 2,278,444.05 and 878,123.10 is: 1,316,973.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,519,205.70 : 2,278,444.05 = 878,123.10 : x
  2. Step 2: Convert to fraction form
    1,519,205.70/2,278,444.05 = 878,123.10/x
  3. Step 3: Cross multiply
    1,519,205.70x = 2,278,444.05 × 878,123.10
  4. Step 4: Simplify right side
    1,519,205.70x = 2,000,754,352,362.55
  5. Step 5: Solve for x
    x = 2,000,754,352,362.55/1,519,205.70
  6. Step 6: Final answer
    x = 1,316,973.96

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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.