Home / 1,440,811.20-2,157,069.60-880,939.20

Finding the Fourth Proportional to 1,440,811.20, 2,157,069.60 and 880,939.20

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Solution

The fourth proportional to 1,440,811.20, 2,157,069.60 and 880,939.20 is: 1,318,873.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,440,811.20 : 2,157,069.60 = 880,939.20 : x
  2. Step 2: Convert to fraction form
    1,440,811.20/2,157,069.60 = 880,939.20/x
  3. Step 3: Cross multiply
    1,440,811.20x = 2,157,069.60 × 880,939.20
  4. Step 4: Simplify right side
    1,440,811.20x = 1,900,247,167,768.32
  5. Step 5: Solve for x
    x = 1,900,247,167,768.32/1,440,811.20
  6. Step 6: Final answer
    x = 1,318,873.12

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1.5x scale

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.