Home / 1,449,417.78-2,000,129.76-804,879.18

Finding the Fourth Proportional to 1,449,417.78, 2,000,129.76 and 804,879.18

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Solution

The fourth proportional to 1,449,417.78, 2,000,129.76 and 804,879.18 is: 1,110,696.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,449,417.78 : 2,000,129.76 = 804,879.18 : x
  2. Step 2: Convert to fraction form
    1,449,417.78/2,000,129.76 = 804,879.18/x
  3. Step 3: Cross multiply
    1,449,417.78x = 2,000,129.76 × 804,879.18
  4. Step 4: Simplify right side
    1,449,417.78x = 1,609,862,801,122.40
  5. Step 5: Solve for x
    x = 1,609,862,801,122.40/1,449,417.78
  6. Step 6: Final answer
    x = 1,110,696.19

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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.