Home / 1,294,441.60-1,941,662.40-871,427.20

Finding the Fourth Proportional to 1,294,441.60, 1,941,662.40 and 871,427.20

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Solution

The fourth proportional to 1,294,441.60, 1,941,662.40 and 871,427.20 is: 1,307,140.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,441.60 : 1,941,662.40 = 871,427.20 : x
  2. Step 2: Convert to fraction form
    1,294,441.60/1,941,662.40 = 871,427.20/x
  3. Step 3: Cross multiply
    1,294,441.60x = 1,941,662.40 × 871,427.20
  4. Step 4: Simplify right side
    1,294,441.60x = 1,692,017,428,577.28
  5. Step 5: Solve for x
    x = 1,692,017,428,577.28/1,294,441.60
  6. Step 6: Final answer
    x = 1,307,140.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.