Home / 1,374,089.28-1,896,176.52-762,266.40

Finding the Fourth Proportional to 1,374,089.28, 1,896,176.52 and 762,266.40

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Solution

The fourth proportional to 1,374,089.28, 1,896,176.52 and 762,266.40 is: 1,051,890.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,374,089.28 : 1,896,176.52 = 762,266.40 : x
  2. Step 2: Convert to fraction form
    1,374,089.28/1,896,176.52 = 762,266.40/x
  3. Step 3: Cross multiply
    1,374,089.28x = 1,896,176.52 × 762,266.40
  4. Step 4: Simplify right side
    1,374,089.28x = 1,445,391,649,664.93
  5. Step 5: Solve for x
    x = 1,445,391,649,664.93/1,374,089.28
  6. Step 6: Final answer
    x = 1,051,890.64

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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.