Home / 1,017,119.22-1,403,642.34-558,276.72

Finding the Fourth Proportional to 1,017,119.22, 1,403,642.34 and 558,276.72

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Solution

The fourth proportional to 1,017,119.22, 1,403,642.34 and 558,276.72 is: 770,431.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,017,119.22 : 1,403,642.34 = 558,276.72 : x
  2. Step 2: Convert to fraction form
    1,017,119.22/1,403,642.34 = 558,276.72/x
  3. Step 3: Cross multiply
    1,017,119.22x = 1,403,642.34 × 558,276.72
  4. Step 4: Simplify right side
    1,017,119.22x = 783,620,841,628.33
  5. Step 5: Solve for x
    x = 783,620,841,628.33/1,017,119.22
  6. Step 6: Final answer
    x = 770,431.65

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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.