Home / 1,253,471.40-1,878,920.10-495,005.40

Finding the Fourth Proportional to 1,253,471.40, 1,878,920.10 and 495,005.40

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Solution

The fourth proportional to 1,253,471.40, 1,878,920.10 and 495,005.40 is: 741,999.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,471.40 : 1,878,920.10 = 495,005.40 : x
  2. Step 2: Convert to fraction form
    1,253,471.40/1,878,920.10 = 495,005.40/x
  3. Step 3: Cross multiply
    1,253,471.40x = 1,878,920.10 × 495,005.40
  4. Step 4: Simplify right side
    1,253,471.40x = 930,075,595,668.54
  5. Step 5: Solve for x
    x = 930,075,595,668.54/1,253,471.40
  6. Step 6: Final answer
    x = 741,999.85

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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.