Home / 1,406,710.76-1,941,261.30-762,135.40

Finding the Fourth Proportional to 1,406,710.76, 1,941,261.30 and 762,135.40

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Solution

The fourth proportional to 1,406,710.76, 1,941,261.30 and 762,135.40 is: 1,051,747.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,406,710.76 : 1,941,261.30 = 762,135.40 : x
  2. Step 2: Convert to fraction form
    1,406,710.76/1,941,261.30 = 762,135.40/x
  3. Step 3: Cross multiply
    1,406,710.76x = 1,941,261.30 × 762,135.40
  4. Step 4: Simplify right side
    1,406,710.76x = 1,479,503,957,380.02
  5. Step 5: Solve for x
    x = 1,479,503,957,380.02/1,406,710.76
  6. Step 6: Final answer
    x = 1,051,747.10

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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.