Home / 1,345,343.40-2,014,515.90-869,452.20

Finding the Fourth Proportional to 1,345,343.40, 2,014,515.90 and 869,452.20

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Solution

The fourth proportional to 1,345,343.40, 2,014,515.90 and 869,452.20 is: 1,301,916.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,343.40 : 2,014,515.90 = 869,452.20 : x
  2. Step 2: Convert to fraction form
    1,345,343.40/2,014,515.90 = 869,452.20/x
  3. Step 3: Cross multiply
    1,345,343.40x = 2,014,515.90 × 869,452.20
  4. Step 4: Simplify right side
    1,345,343.40x = 1,751,525,281,189.98
  5. Step 5: Solve for x
    x = 1,751,525,281,189.98/1,345,343.40
  6. Step 6: Final answer
    x = 1,301,916.88

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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.