Home / 1,480,679.47-2,043,149.90-868,608.91

Finding the Fourth Proportional to 1,480,679.47, 2,043,149.90 and 868,608.91

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Solution

The fourth proportional to 1,480,679.47, 2,043,149.90 and 868,608.91 is: 1,198,570.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,480,679.47 : 2,043,149.90 = 868,608.91 : x
  2. Step 2: Convert to fraction form
    1,480,679.47/2,043,149.90 = 868,608.91/x
  3. Step 3: Cross multiply
    1,480,679.47x = 2,043,149.90 × 868,608.91
  4. Step 4: Simplify right side
    1,480,679.47x = 1,774,698,199,561.38
  5. Step 5: Solve for x
    x = 1,774,698,199,561.38/1,480,679.47
  6. Step 6: Final answer
    x = 1,198,570.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.