Home / 1,667,223.20-2,502,001.20-721,272.80

Finding the Fourth Proportional to 1,667,223.20, 2,502,001.20 and 721,272.80

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Solution

The fourth proportional to 1,667,223.20, 2,502,001.20 and 721,272.80 is: 1,082,413.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,667,223.20 : 2,502,001.20 = 721,272.80 : x
  2. Step 2: Convert to fraction form
    1,667,223.20/2,502,001.20 = 721,272.80/x
  3. Step 3: Cross multiply
    1,667,223.20x = 2,502,001.20 × 721,272.80
  4. Step 4: Simplify right side
    1,667,223.20x = 1,804,625,411,127.36
  5. Step 5: Solve for x
    x = 1,804,625,411,127.36/1,667,223.20
  6. Step 6: Final answer
    x = 1,082,413.81

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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.