Home / 1,205,948.20-1,808,922.30-307,388.20

Finding the Fourth Proportional to 1,205,948.20, 1,808,922.30 and 307,388.20

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Solution

The fourth proportional to 1,205,948.20, 1,808,922.30 and 307,388.20 is: 461,082.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,948.20 : 1,808,922.30 = 307,388.20 : x
  2. Step 2: Convert to fraction form
    1,205,948.20/1,808,922.30 = 307,388.20/x
  3. Step 3: Cross multiply
    1,205,948.20x = 1,808,922.30 × 307,388.20
  4. Step 4: Simplify right side
    1,205,948.20x = 556,041,369,736.86
  5. Step 5: Solve for x
    x = 556,041,369,736.86/1,205,948.20
  6. Step 6: Final answer
    x = 461,082.30

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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.