Home / 1,294,278.40-1,941,417.60-395,720.14

Finding the Fourth Proportional to 1,294,278.40, 1,941,417.60 and 395,720.14

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Solution

The fourth proportional to 1,294,278.40, 1,941,417.60 and 395,720.14 is: 593,580.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,278.40 : 1,941,417.60 = 395,720.14 : x
  2. Step 2: Convert to fraction form
    1,294,278.40/1,941,417.60 = 395,720.14/x
  3. Step 3: Cross multiply
    1,294,278.40x = 1,941,417.60 × 395,720.14
  4. Step 4: Simplify right side
    1,294,278.40x = 768,258,043,999.05
  5. Step 5: Solve for x
    x = 768,258,043,999.05/1,294,278.40
  6. Step 6: Final answer
    x = 593,580.21

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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.