Home / 1,155,728.70-1,733,669.13-302,821.23

Finding the Fourth Proportional to 1,155,728.70, 1,733,669.13 and 302,821.23

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Solution

The fourth proportional to 1,155,728.70, 1,733,669.13 and 302,821.23 is: 454,251.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,155,728.70 : 1,733,669.13 = 302,821.23 : x
  2. Step 2: Convert to fraction form
    1,155,728.70/1,733,669.13 = 302,821.23/x
  3. Step 3: Cross multiply
    1,155,728.70x = 1,733,669.13 × 302,821.23
  4. Step 4: Simplify right side
    1,155,728.70x = 524,991,818,359.63
  5. Step 5: Solve for x
    x = 524,991,818,359.63/1,155,728.70
  6. Step 6: Final answer
    x = 454,251.78

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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.