Home / 1,489,013.16-2,233,308.81-478,001.97

Finding the Fourth Proportional to 1,489,013.16, 2,233,308.81 and 478,001.97

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Solution

The fourth proportional to 1,489,013.16, 2,233,308.81 and 478,001.97 is: 716,935.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,489,013.16 : 2,233,308.81 = 478,001.97 : x
  2. Step 2: Convert to fraction form
    1,489,013.16/2,233,308.81 = 478,001.97/x
  3. Step 3: Cross multiply
    1,489,013.16x = 2,233,308.81 × 478,001.97
  4. Step 4: Simplify right side
    1,489,013.16x = 1,067,526,010,798.36
  5. Step 5: Solve for x
    x = 1,067,526,010,798.36/1,489,013.16
  6. Step 6: Final answer
    x = 716,935.24

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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.