Home / 1,011,971.42-1,396,517.29-553,085.97

Finding the Fourth Proportional to 1,011,971.42, 1,396,517.29 and 553,085.97

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Solution

The fourth proportional to 1,011,971.42, 1,396,517.29 and 553,085.97 is: 763,256.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,971.42 : 1,396,517.29 = 553,085.97 : x
  2. Step 2: Convert to fraction form
    1,011,971.42/1,396,517.29 = 553,085.97/x
  3. Step 3: Cross multiply
    1,011,971.42x = 1,396,517.29 × 553,085.97
  4. Step 4: Simplify right side
    1,011,971.42x = 772,394,113,341.77
  5. Step 5: Solve for x
    x = 772,394,113,341.77/1,011,971.42
  6. Step 6: Final answer
    x = 763,256.85

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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.