Home / 1,490,474.69-2,057,123.49-878,591.24

Finding the Fourth Proportional to 1,490,474.69, 2,057,123.49 and 878,591.24

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Solution

The fourth proportional to 1,490,474.69, 2,057,123.49 and 878,591.24 is: 1,212,614.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490,474.69 : 2,057,123.49 = 878,591.24 : x
  2. Step 2: Convert to fraction form
    1,490,474.69/2,057,123.49 = 878,591.24/x
  3. Step 3: Cross multiply
    1,490,474.69x = 2,057,123.49 × 878,591.24
  4. Step 4: Simplify right side
    1,490,474.69x = 1,807,370,677,912.23
  5. Step 5: Solve for x
    x = 1,807,370,677,912.23/1,490,474.69
  6. Step 6: Final answer
    x = 1,212,614.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.