Home / 1,494,191.88-2,062,017.54-815,127.84

Finding the Fourth Proportional to 1,494,191.88, 2,062,017.54 and 815,127.84

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Solution

The fourth proportional to 1,494,191.88, 2,062,017.54 and 815,127.84 is: 1,124,894.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,494,191.88 : 2,062,017.54 = 815,127.84 : x
  2. Step 2: Convert to fraction form
    1,494,191.88/2,062,017.54 = 815,127.84/x
  3. Step 3: Cross multiply
    1,494,191.88x = 2,062,017.54 × 815,127.84
  4. Step 4: Simplify right side
    1,494,191.88x = 1,680,807,903,422.31
  5. Step 5: Solve for x
    x = 1,680,807,903,422.31/1,494,191.88
  6. Step 6: Final answer
    x = 1,124,894.28

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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.