Home / 1,370,470.80-2,055,997.80-423,937.20

Finding the Fourth Proportional to 1,370,470.80, 2,055,997.80 and 423,937.20

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Solution

The fourth proportional to 1,370,470.80, 2,055,997.80 and 423,937.20 is: 635,996.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370,470.80 : 2,055,997.80 = 423,937.20 : x
  2. Step 2: Convert to fraction form
    1,370,470.80/2,055,997.80 = 423,937.20/x
  3. Step 3: Cross multiply
    1,370,470.80x = 2,055,997.80 × 423,937.20
  4. Step 4: Simplify right side
    1,370,470.80x = 871,613,950,538.16
  5. Step 5: Solve for x
    x = 871,613,950,538.16/1,370,470.80
  6. Step 6: Final answer
    x = 635,996.00

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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.