Home / 1,016,922.90-1,403,349.69-558,045.18

Finding the Fourth Proportional to 1,016,922.90, 1,403,349.69 and 558,045.18

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Solution

The fourth proportional to 1,016,922.90, 1,403,349.69 and 558,045.18 is: 770,100.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,016,922.90 : 1,403,349.69 = 558,045.18 : x
  2. Step 2: Convert to fraction form
    1,016,922.90/1,403,349.69 = 558,045.18/x
  3. Step 3: Cross multiply
    1,016,922.90x = 1,403,349.69 × 558,045.18
  4. Step 4: Simplify right side
    1,016,922.90x = 783,132,530,358.99
  5. Step 5: Solve for x
    x = 783,132,530,358.99/1,016,922.90
  6. Step 6: Final answer
    x = 770,100.20

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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.