Home / 889,724.60-1,334,586.90-881,430.20

Finding the Fourth Proportional to 889,724.60, 1,334,586.90 and 881,430.20

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Solution

The fourth proportional to 889,724.60, 1,334,586.90 and 881,430.20 is: 1,322,145.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,724.60 : 1,334,586.90 = 881,430.20 : x
  2. Step 2: Convert to fraction form
    889,724.60/1,334,586.90 = 881,430.20/x
  3. Step 3: Cross multiply
    889,724.60x = 1,334,586.90 × 881,430.20
  4. Step 4: Simplify right side
    889,724.60x = 1,176,345,198,184.38
  5. Step 5: Solve for x
    x = 1,176,345,198,184.38/889,724.60
  6. Step 6: Final answer
    x = 1,322,145.30

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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.