Home / 1,055,307.81-1,579,177.80-913,640.34

Finding the Fourth Proportional to 1,055,307.81, 1,579,177.80 and 913,640.34

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Solution

The fourth proportional to 1,055,307.81, 1,579,177.80 and 913,640.34 is: 1,367,184.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,307.81 : 1,579,177.80 = 913,640.34 : x
  2. Step 2: Convert to fraction form
    1,055,307.81/1,579,177.80 = 913,640.34/x
  3. Step 3: Cross multiply
    1,055,307.81x = 1,579,177.80 × 913,640.34
  4. Step 4: Simplify right side
    1,055,307.81x = 1,442,800,542,112.45
  5. Step 5: Solve for x
    x = 1,442,800,542,112.45/1,055,307.81
  6. Step 6: Final answer
    x = 1,367,184.56

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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.