Home / 1,605,377.60-2,409,232.80-659,427.20

Finding the Fourth Proportional to 1,605,377.60, 2,409,232.80 and 659,427.20

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Solution

The fourth proportional to 1,605,377.60, 2,409,232.80 and 659,427.20 is: 989,619.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,605,377.60 : 2,409,232.80 = 659,427.20 : x
  2. Step 2: Convert to fraction form
    1,605,377.60/2,409,232.80 = 659,427.20/x
  3. Step 3: Cross multiply
    1,605,377.60x = 2,409,232.80 × 659,427.20
  4. Step 4: Simplify right side
    1,605,377.60x = 1,588,713,639,452.16
  5. Step 5: Solve for x
    x = 1,588,713,639,452.16/1,605,377.60
  6. Step 6: Final answer
    x = 989,619.91

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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.