Home / 1,079,237.50-1,618,574.26-320,874.72

Finding the Fourth Proportional to 1,079,237.50, 1,618,574.26 and 320,874.72

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Solution

The fourth proportional to 1,079,237.50, 1,618,574.26 and 320,874.72 is: 481,228.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,237.50 : 1,618,574.26 = 320,874.72 : x
  2. Step 2: Convert to fraction form
    1,079,237.50/1,618,574.26 = 320,874.72/x
  3. Step 3: Cross multiply
    1,079,237.50x = 1,618,574.26 × 320,874.72
  4. Step 4: Simplify right side
    1,079,237.50x = 519,359,562,476.71
  5. Step 5: Solve for x
    x = 519,359,562,476.71/1,079,237.50
  6. Step 6: Final answer
    x = 481,228.24

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Double scale
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Similar ratio
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1.5x scale

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.