Home / 1,750,378.80-2,625,568.20-420,682.80

Finding the Fourth Proportional to 1,750,378.80, 2,625,568.20 and 420,682.80

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Solution

The fourth proportional to 1,750,378.80, 2,625,568.20 and 420,682.80 is: 631,024.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,750,378.80 : 2,625,568.20 = 420,682.80 : x
  2. Step 2: Convert to fraction form
    1,750,378.80/2,625,568.20 = 420,682.80/x
  3. Step 3: Cross multiply
    1,750,378.80x = 2,625,568.20 × 420,682.80
  4. Step 4: Simplify right side
    1,750,378.80x = 1,104,531,381,966.96
  5. Step 5: Solve for x
    x = 1,104,531,381,966.96/1,750,378.80
  6. Step 6: Final answer
    x = 631,024.20

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Double scale
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1.5x scale

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.