Home / 1,472,581.80-2,208,626.66-407,731.50

Finding the Fourth Proportional to 1,472,581.80, 2,208,626.66 and 407,731.50

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Solution

The fourth proportional to 1,472,581.80, 2,208,626.66 and 407,731.50 is: 611,529.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,472,581.80 : 2,208,626.66 = 407,731.50 : x
  2. Step 2: Convert to fraction form
    1,472,581.80/2,208,626.66 = 407,731.50/x
  3. Step 3: Cross multiply
    1,472,581.80x = 2,208,626.66 × 407,731.50
  4. Step 4: Simplify right side
    1,472,581.80x = 900,526,661,021.79
  5. Step 5: Solve for x
    x = 900,526,661,021.79/1,472,581.80
  6. Step 6: Final answer
    x = 611,529.13

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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.