Home / 1,750,209.80-2,625,314.70-420,513.80

Finding the Fourth Proportional to 1,750,209.80, 2,625,314.70 and 420,513.80

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Solution

The fourth proportional to 1,750,209.80, 2,625,314.70 and 420,513.80 is: 630,770.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,750,209.80 : 2,625,314.70 = 420,513.80 : x
  2. Step 2: Convert to fraction form
    1,750,209.80/2,625,314.70 = 420,513.80/x
  3. Step 3: Cross multiply
    1,750,209.80x = 2,625,314.70 × 420,513.80
  4. Step 4: Simplify right side
    1,750,209.80x = 1,103,981,060,692.86
  5. Step 5: Solve for x
    x = 1,103,981,060,692.86/1,750,209.80
  6. Step 6: Final answer
    x = 630,770.70

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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.