Home / 1,568,988.40-2,352,316.20-859,817.20

Finding the Fourth Proportional to 1,568,988.40, 2,352,316.20 and 859,817.20

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Solution

The fourth proportional to 1,568,988.40, 2,352,316.20 and 859,817.20 is: 1,289,086.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,568,988.40 : 2,352,316.20 = 859,817.20 : x
  2. Step 2: Convert to fraction form
    1,568,988.40/2,352,316.20 = 859,817.20/x
  3. Step 3: Cross multiply
    1,568,988.40x = 2,352,316.20 × 859,817.20
  4. Step 4: Simplify right side
    1,568,988.40x = 2,022,561,928,598.64
  5. Step 5: Solve for x
    x = 2,022,561,928,598.64/1,568,988.40
  6. Step 6: Final answer
    x = 1,289,086.60

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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.