Home / 1,347,505.80-2,021,550.30-400,972.20

Finding the Fourth Proportional to 1,347,505.80, 2,021,550.30 and 400,972.20

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Solution

The fourth proportional to 1,347,505.80, 2,021,550.30 and 400,972.20 is: 601,545.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,505.80 : 2,021,550.30 = 400,972.20 : x
  2. Step 2: Convert to fraction form
    1,347,505.80/2,021,550.30 = 400,972.20/x
  3. Step 3: Cross multiply
    1,347,505.80x = 2,021,550.30 × 400,972.20
  4. Step 4: Simplify right side
    1,347,505.80x = 810,585,471,201.66
  5. Step 5: Solve for x
    x = 810,585,471,201.66/1,347,505.80
  6. Step 6: Final answer
    x = 601,545.07

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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.