Home / 1,489,242.30-2,233,996.48-578,403.06

Finding the Fourth Proportional to 1,489,242.30, 2,233,996.48 and 578,403.06

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Solution

The fourth proportional to 1,489,242.30, 2,233,996.48 and 578,403.06 is: 867,656.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,489,242.30 : 2,233,996.48 = 578,403.06 : x
  2. Step 2: Convert to fraction form
    1,489,242.30/2,233,996.48 = 578,403.06/x
  3. Step 3: Cross multiply
    1,489,242.30x = 2,233,996.48 × 578,403.06
  4. Step 4: Simplify right side
    1,489,242.30x = 1,292,150,400,061.23
  5. Step 5: Solve for x
    x = 1,292,150,400,061.23/1,489,242.30
  6. Step 6: Final answer
    x = 867,656.26

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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.