Home / 1,478,665.92-2,218,138.56-413,708.16

Finding the Fourth Proportional to 1,478,665.92, 2,218,138.56 and 413,708.16

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Solution

The fourth proportional to 1,478,665.92, 2,218,138.56 and 413,708.16 is: 620,601.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,478,665.92 : 2,218,138.56 = 413,708.16 : x
  2. Step 2: Convert to fraction form
    1,478,665.92/2,218,138.56 = 413,708.16/x
  3. Step 3: Cross multiply
    1,478,665.92x = 2,218,138.56 × 413,708.16
  4. Step 4: Simplify right side
    1,478,665.92x = 917,662,022,282.65
  5. Step 5: Solve for x
    x = 917,662,022,282.65/1,478,665.92
  6. Step 6: Final answer
    x = 620,601.32

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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.