Home / 1,419,323.60-2,130,540.60-887,445.20

Finding the Fourth Proportional to 1,419,323.60, 2,130,540.60 and 887,445.20

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Solution

The fourth proportional to 1,419,323.60, 2,130,540.60 and 887,445.20 is: 1,332,140.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,323.60 : 2,130,540.60 = 887,445.20 : x
  2. Step 2: Convert to fraction form
    1,419,323.60/2,130,540.60 = 887,445.20/x
  3. Step 3: Cross multiply
    1,419,323.60x = 2,130,540.60 × 887,445.20
  4. Step 4: Simplify right side
    1,419,323.60x = 1,890,738,028,875.12
  5. Step 5: Solve for x
    x = 1,890,738,028,875.12/1,419,323.60
  6. Step 6: Final answer
    x = 1,332,140.20

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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.