Home / 1,750,376.80-2,625,565.20-420,680.80

Finding the Fourth Proportional to 1,750,376.80, 2,625,565.20 and 420,680.80

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Solution

The fourth proportional to 1,750,376.80, 2,625,565.20 and 420,680.80 is: 631,021.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,750,376.80 : 2,625,565.20 = 420,680.80 : x
  2. Step 2: Convert to fraction form
    1,750,376.80/2,625,565.20 = 420,680.80/x
  3. Step 3: Cross multiply
    1,750,376.80x = 2,625,565.20 × 420,680.80
  4. Step 4: Simplify right side
    1,750,376.80x = 1,104,524,868,788.16
  5. Step 5: Solve for x
    x = 1,104,524,868,788.16/1,750,376.80
  6. Step 6: Final answer
    x = 631,021.20

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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.