Home / 1,492,214.40-2,238,321.60-854,485.20

Finding the Fourth Proportional to 1,492,214.40, 2,238,321.60 and 854,485.20

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Solution

The fourth proportional to 1,492,214.40, 2,238,321.60 and 854,485.20 is: 1,281,727.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,492,214.40 : 2,238,321.60 = 854,485.20 : x
  2. Step 2: Convert to fraction form
    1,492,214.40/2,238,321.60 = 854,485.20/x
  3. Step 3: Cross multiply
    1,492,214.40x = 2,238,321.60 × 854,485.20
  4. Step 4: Simplify right side
    1,492,214.40x = 1,912,612,680,040.32
  5. Step 5: Solve for x
    x = 1,912,612,680,040.32/1,492,214.40
  6. Step 6: Final answer
    x = 1,281,727.80

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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.