Home / 1,374,954.28-1,897,408.36-763,071.50

Finding the Fourth Proportional to 1,374,954.28, 1,897,408.36 and 763,071.50

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Solution

The fourth proportional to 1,374,954.28, 1,897,408.36 and 763,071.50 is: 1,053,022.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,374,954.28 : 1,897,408.36 = 763,071.50 : x
  2. Step 2: Convert to fraction form
    1,374,954.28/1,897,408.36 = 763,071.50/x
  3. Step 3: Cross multiply
    1,374,954.28x = 1,897,408.36 × 763,071.50
  4. Step 4: Simplify right side
    1,374,954.28x = 1,447,858,249,075.10
  5. Step 5: Solve for x
    x = 1,447,858,249,075.10/1,374,954.28
  6. Step 6: Final answer
    x = 1,053,022.83

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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.