Home / 1,143,914.84-1,578,742.48-660,479.18

Finding the Fourth Proportional to 1,143,914.84, 1,578,742.48 and 660,479.18

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Solution

The fourth proportional to 1,143,914.84, 1,578,742.48 and 660,479.18 is: 911,542.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,914.84 : 1,578,742.48 = 660,479.18 : x
  2. Step 2: Convert to fraction form
    1,143,914.84/1,578,742.48 = 660,479.18/x
  3. Step 3: Cross multiply
    1,143,914.84x = 1,578,742.48 × 660,479.18
  4. Step 4: Simplify right side
    1,143,914.84x = 1,042,726,538,621.57
  5. Step 5: Solve for x
    x = 1,042,726,538,621.57/1,143,914.84
  6. Step 6: Final answer
    x = 911,542.10

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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.