Home / 1,336,705.35-2,005,550.10-438,176.40

Finding the Fourth Proportional to 1,336,705.35, 2,005,550.10 and 438,176.40

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Solution

The fourth proportional to 1,336,705.35, 2,005,550.10 and 438,176.40 is: 657,425.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,336,705.35 : 2,005,550.10 = 438,176.40 : x
  2. Step 2: Convert to fraction form
    1,336,705.35/2,005,550.10 = 438,176.40/x
  3. Step 3: Cross multiply
    1,336,705.35x = 2,005,550.10 × 438,176.40
  4. Step 4: Simplify right side
    1,336,705.35x = 878,784,722,837.64
  5. Step 5: Solve for x
    x = 878,784,722,837.64/1,336,705.35
  6. Step 6: Final answer
    x = 657,425.90

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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.