Home / 1,149,641.73-1,586,505.98-666,486.95

Finding the Fourth Proportional to 1,149,641.73, 1,586,505.98 and 666,486.95

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Solution

The fourth proportional to 1,149,641.73, 1,586,505.98 and 666,486.95 is: 919,752.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,641.73 : 1,586,505.98 = 666,486.95 : x
  2. Step 2: Convert to fraction form
    1,149,641.73/1,586,505.98 = 666,486.95/x
  3. Step 3: Cross multiply
    1,149,641.73x = 1,586,505.98 × 666,486.95
  4. Step 4: Simplify right side
    1,149,641.73x = 1,057,385,525,500.65
  5. Step 5: Solve for x
    x = 1,057,385,525,500.65/1,149,641.73
  6. Step 6: Final answer
    x = 919,752.21

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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.