Home / 1,539,475.20-2,311,977.60-1,119,225.60

Finding the Fourth Proportional to 1,539,475.20, 2,311,977.60 and 1,119,225.60

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Solution

The fourth proportional to 1,539,475.20, 2,311,977.60 and 1,119,225.60 is: 1,680,848.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,539,475.20 : 2,311,977.60 = 1,119,225.60 : x
  2. Step 2: Convert to fraction form
    1,539,475.20/2,311,977.60 = 1,119,225.60/x
  3. Step 3: Cross multiply
    1,539,475.20x = 2,311,977.60 × 1,119,225.60
  4. Step 4: Simplify right side
    1,539,475.20x = 2,587,624,516,546.56
  5. Step 5: Solve for x
    x = 2,587,624,516,546.56/1,539,475.20
  6. Step 6: Final answer
    x = 1,680,848.46

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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.