Home / 1,374,955.28-1,897,409.74-763,072.50

Finding the Fourth Proportional to 1,374,955.28, 1,897,409.74 and 763,072.50

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Solution

The fourth proportional to 1,374,955.28, 1,897,409.74 and 763,072.50 is: 1,053,024.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,374,955.28 : 1,897,409.74 = 763,072.50 : x
  2. Step 2: Convert to fraction form
    1,374,955.28/1,897,409.74 = 763,072.50/x
  3. Step 3: Cross multiply
    1,374,955.28x = 1,897,409.74 × 763,072.50
  4. Step 4: Simplify right side
    1,374,955.28x = 1,447,861,193,826.15
  5. Step 5: Solve for x
    x = 1,447,861,193,826.15/1,374,955.28
  6. Step 6: Final answer
    x = 1,053,024.21

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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.