Home / 1,374,957.31-1,897,412.54-763,074.54

Finding the Fourth Proportional to 1,374,957.31, 1,897,412.54 and 763,074.54

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Solution

The fourth proportional to 1,374,957.31, 1,897,412.54 and 763,074.54 is: 1,053,027.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,374,957.31 : 1,897,412.54 = 763,074.54 : x
  2. Step 2: Convert to fraction form
    1,374,957.31/1,897,412.54 = 763,074.54/x
  3. Step 3: Cross multiply
    1,374,957.31x = 1,897,412.54 × 763,074.54
  4. Step 4: Simplify right side
    1,374,957.31x = 1,447,867,189,755.98
  5. Step 5: Solve for x
    x = 1,447,867,189,755.98/1,374,957.31
  6. Step 6: Final answer
    x = 1,053,027.01

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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.