Home / 1,207,749.30-1,812,401.55-702,309.30

Finding the Fourth Proportional to 1,207,749.30, 1,812,401.55 and 702,309.30

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Solution

The fourth proportional to 1,207,749.30, 1,812,401.55 and 702,309.30 is: 1,053,916.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,749.30 : 1,812,401.55 = 702,309.30 : x
  2. Step 2: Convert to fraction form
    1,207,749.30/1,812,401.55 = 702,309.30/x
  3. Step 3: Cross multiply
    1,207,749.30x = 1,812,401.55 × 702,309.30
  4. Step 4: Simplify right side
    1,207,749.30x = 1,272,866,463,899.42
  5. Step 5: Solve for x
    x = 1,272,866,463,899.42/1,207,749.30
  6. Step 6: Final answer
    x = 1,053,916.13

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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.