Home / 1,540,950.80-2,311,426.20-403,710.80

Finding the Fourth Proportional to 1,540,950.80, 2,311,426.20 and 403,710.80

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Solution

The fourth proportional to 1,540,950.80, 2,311,426.20 and 403,710.80 is: 605,566.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,540,950.80 : 2,311,426.20 = 403,710.80 : x
  2. Step 2: Convert to fraction form
    1,540,950.80/2,311,426.20 = 403,710.80/x
  3. Step 3: Cross multiply
    1,540,950.80x = 2,311,426.20 × 403,710.80
  4. Step 4: Simplify right side
    1,540,950.80x = 933,147,720,342.96
  5. Step 5: Solve for x
    x = 933,147,720,342.96/1,540,950.80
  6. Step 6: Final answer
    x = 605,566.20

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Double scale
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Similar ratio
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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.