Home / 1,017,122.22-1,403,646.48-558,279.72

Finding the Fourth Proportional to 1,017,122.22, 1,403,646.48 and 558,279.72

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Solution

The fourth proportional to 1,017,122.22, 1,403,646.48 and 558,279.72 is: 770,435.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,017,122.22 : 1,403,646.48 = 558,279.72 : x
  2. Step 2: Convert to fraction form
    1,017,122.22/1,403,646.48 = 558,279.72/x
  3. Step 3: Cross multiply
    1,017,122.22x = 1,403,646.48 × 558,279.72
  4. Step 4: Simplify right side
    1,017,122.22x = 783,627,363,833.39
  5. Step 5: Solve for x
    x = 783,627,363,833.39/1,017,122.22
  6. Step 6: Final answer
    x = 770,435.79

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Double scale
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1.5x scale

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.