Home / 1,107,713.45-1,661,570.18-433,570.70

Finding the Fourth Proportional to 1,107,713.45, 1,661,570.18 and 433,570.70

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Solution

The fourth proportional to 1,107,713.45, 1,661,570.18 and 433,570.70 is: 650,356.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,713.45 : 1,661,570.18 = 433,570.70 : x
  2. Step 2: Convert to fraction form
    1,107,713.45/1,661,570.18 = 433,570.70/x
  3. Step 3: Cross multiply
    1,107,713.45x = 1,661,570.18 × 433,570.70
  4. Step 4: Simplify right side
    1,107,713.45x = 720,408,146,041.73
  5. Step 5: Solve for x
    x = 720,408,146,041.73/1,107,713.45
  6. Step 6: Final answer
    x = 650,356.05

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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.