Home / 1,643,195.39-2,267,567.78-918,048.53

Finding the Fourth Proportional to 1,643,195.39, 2,267,567.78 and 918,048.53

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Solution

The fourth proportional to 1,643,195.39, 2,267,567.78 and 918,048.53 is: 1,266,883.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,643,195.39 : 2,267,567.78 = 918,048.53 : x
  2. Step 2: Convert to fraction form
    1,643,195.39/2,267,567.78 = 918,048.53/x
  3. Step 3: Cross multiply
    1,643,195.39x = 2,267,567.78 × 918,048.53
  4. Step 4: Simplify right side
    1,643,195.39x = 2,081,737,259,679.66
  5. Step 5: Solve for x
    x = 2,081,737,259,679.66/1,643,195.39
  6. Step 6: Final answer
    x = 1,266,883.58

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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.