Home / 1,107,680.20-1,661,433.90-433,630.60

Finding the Fourth Proportional to 1,107,680.20, 1,661,433.90 and 433,630.60

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Solution

The fourth proportional to 1,107,680.20, 1,661,433.90 and 433,630.60 is: 650,412.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,680.20 : 1,661,433.90 = 433,630.60 : x
  2. Step 2: Convert to fraction form
    1,107,680.20/1,661,433.90 = 433,630.60/x
  3. Step 3: Cross multiply
    1,107,680.20x = 1,661,433.90 × 433,630.60
  4. Step 4: Simplify right side
    1,107,680.20x = 720,448,578,917.34
  5. Step 5: Solve for x
    x = 720,448,578,917.34/1,107,680.20
  6. Step 6: Final answer
    x = 650,412.08

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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.