Home / 1,289,743.40-1,934,615.10-652,014.20

Finding the Fourth Proportional to 1,289,743.40, 1,934,615.10 and 652,014.20

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Solution

The fourth proportional to 1,289,743.40, 1,934,615.10 and 652,014.20 is: 978,021.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,743.40 : 1,934,615.10 = 652,014.20 : x
  2. Step 2: Convert to fraction form
    1,289,743.40/1,934,615.10 = 652,014.20/x
  3. Step 3: Cross multiply
    1,289,743.40x = 1,934,615.10 × 652,014.20
  4. Step 4: Simplify right side
    1,289,743.40x = 1,261,396,516,734.42
  5. Step 5: Solve for x
    x = 1,261,396,516,734.42/1,289,743.40
  6. Step 6: Final answer
    x = 978,021.30

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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.