Home / 1,489,013.91-2,233,309.95-478,002.72

Finding the Fourth Proportional to 1,489,013.91, 2,233,309.95 and 478,002.72

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Solution

The fourth proportional to 1,489,013.91, 2,233,309.95 and 478,002.72 is: 716,936.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,489,013.91 : 2,233,309.95 = 478,002.72 : x
  2. Step 2: Convert to fraction form
    1,489,013.91/2,233,309.95 = 478,002.72/x
  3. Step 3: Cross multiply
    1,489,013.91x = 2,233,309.95 × 478,002.72
  4. Step 4: Simplify right side
    1,489,013.91x = 1,067,528,230,703.06
  5. Step 5: Solve for x
    x = 1,067,528,230,703.06/1,489,013.91
  6. Step 6: Final answer
    x = 716,936.37

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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.