Home / 1,374,963.75-1,897,421.40-763,080.96

Finding the Fourth Proportional to 1,374,963.75, 1,897,421.40 and 763,080.96

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Solution

The fourth proportional to 1,374,963.75, 1,897,421.40 and 763,080.96 is: 1,053,035.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,374,963.75 : 1,897,421.40 = 763,080.96 : x
  2. Step 2: Convert to fraction form
    1,374,963.75/1,897,421.40 = 763,080.96/x
  3. Step 3: Cross multiply
    1,374,963.75x = 1,897,421.40 × 763,080.96
  4. Step 4: Simplify right side
    1,374,963.75x = 1,447,886,143,436.54
  5. Step 5: Solve for x
    x = 1,447,886,143,436.54/1,374,963.75
  6. Step 6: Final answer
    x = 1,053,035.87

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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.