Home / 1,253,008.80-1,879,513.20-454,289.40

Finding the Fourth Proportional to 1,253,008.80, 1,879,513.20 and 454,289.40

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Solution

The fourth proportional to 1,253,008.80, 1,879,513.20 and 454,289.40 is: 681,434.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,008.80 : 1,879,513.20 = 454,289.40 : x
  2. Step 2: Convert to fraction form
    1,253,008.80/1,879,513.20 = 454,289.40/x
  3. Step 3: Cross multiply
    1,253,008.80x = 1,879,513.20 × 454,289.40
  4. Step 4: Simplify right side
    1,253,008.80x = 853,842,923,920.08
  5. Step 5: Solve for x
    x = 853,842,923,920.08/1,253,008.80
  6. Step 6: Final answer
    x = 681,434.10

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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.