Home / 819,246.40-1,229,647.20-701,051.20

Finding the Fourth Proportional to 819,246.40, 1,229,647.20 and 701,051.20

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Solution

The fourth proportional to 819,246.40, 1,229,647.20 and 701,051.20 is: 1,052,242.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,246.40 : 1,229,647.20 = 701,051.20 : x
  2. Step 2: Convert to fraction form
    819,246.40/1,229,647.20 = 701,051.20/x
  3. Step 3: Cross multiply
    819,246.40x = 1,229,647.20 × 701,051.20
  4. Step 4: Simplify right side
    819,246.40x = 862,045,645,136.64
  5. Step 5: Solve for x
    x = 862,045,645,136.64/819,246.40
  6. Step 6: Final answer
    x = 1,052,242.21

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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.