Home / 1,406,693.69-1,941,239.22-762,113.90

Finding the Fourth Proportional to 1,406,693.69, 1,941,239.22 and 762,113.90

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Solution

The fourth proportional to 1,406,693.69, 1,941,239.22 and 762,113.90 is: 1,051,718.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,406,693.69 : 1,941,239.22 = 762,113.90 : x
  2. Step 2: Convert to fraction form
    1,406,693.69/1,941,239.22 = 762,113.90/x
  3. Step 3: Cross multiply
    1,406,693.69x = 1,941,239.22 × 762,113.90
  4. Step 4: Simplify right side
    1,406,693.69x = 1,479,445,383,862.86
  5. Step 5: Solve for x
    x = 1,479,445,383,862.86/1,406,693.69
  6. Step 6: Final answer
    x = 1,051,718.22

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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.