Home / 1,578,277.95-2,178,046.56-889,982.88

Finding the Fourth Proportional to 1,578,277.95, 2,178,046.56 and 889,982.88

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Solution

The fourth proportional to 1,578,277.95, 2,178,046.56 and 889,982.88 is: 1,228,189.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,578,277.95 : 2,178,046.56 = 889,982.88 : x
  2. Step 2: Convert to fraction form
    1,578,277.95/2,178,046.56 = 889,982.88/x
  3. Step 3: Cross multiply
    1,578,277.95x = 2,178,046.56 × 889,982.88
  4. Step 4: Simplify right side
    1,578,277.95x = 1,938,424,150,242.89
  5. Step 5: Solve for x
    x = 1,938,424,150,242.89/1,578,277.95
  6. Step 6: Final answer
    x = 1,228,189.34

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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.