Home / 1,374,191.72-1,896,386.81-762,344.49

Finding the Fourth Proportional to 1,374,191.72, 1,896,386.81 and 762,344.49

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Solution

The fourth proportional to 1,374,191.72, 1,896,386.81 and 762,344.49 is: 1,052,036.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,374,191.72 : 1,896,386.81 = 762,344.49 : x
  2. Step 2: Convert to fraction form
    1,374,191.72/1,896,386.81 = 762,344.49/x
  3. Step 3: Cross multiply
    1,374,191.72x = 1,896,386.81 × 762,344.49
  4. Step 4: Simplify right side
    1,374,191.72x = 1,445,700,031,700.45
  5. Step 5: Solve for x
    x = 1,445,700,031,700.45/1,374,191.72
  6. Step 6: Final answer
    x = 1,052,036.64

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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.