Home / 1,320,571.13-1,980,279.89-467,359.22

Finding the Fourth Proportional to 1,320,571.13, 1,980,279.89 and 467,359.22

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Solution

The fourth proportional to 1,320,571.13, 1,980,279.89 and 467,359.22 is: 700,834.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,320,571.13 : 1,980,279.89 = 467,359.22 : x
  2. Step 2: Convert to fraction form
    1,320,571.13/1,980,279.89 = 467,359.22/x
  3. Step 3: Cross multiply
    1,320,571.13x = 1,980,279.89 × 467,359.22
  4. Step 4: Simplify right side
    1,320,571.13x = 925,502,067,385.99
  5. Step 5: Solve for x
    x = 925,502,067,385.99/1,320,571.13
  6. Step 6: Final answer
    x = 700,834.70

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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.