Home / 1,144,085.76-1,578,591.68-660,370.63

Finding the Fourth Proportional to 1,144,085.76, 1,578,591.68 and 660,370.63

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Solution

The fourth proportional to 1,144,085.76, 1,578,591.68 and 660,370.63 is: 911,169.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,144,085.76 : 1,578,591.68 = 660,370.63 : x
  2. Step 2: Convert to fraction form
    1,144,085.76/1,578,591.68 = 660,370.63/x
  3. Step 3: Cross multiply
    1,144,085.76x = 1,578,591.68 × 660,370.63
  4. Step 4: Simplify right side
    1,144,085.76x = 1,042,455,578,932.51
  5. Step 5: Solve for x
    x = 1,042,455,578,932.51/1,144,085.76
  6. Step 6: Final answer
    x = 911,169.09

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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.