Home / 1,113,604.35-1,670,406.53-830,169.15

Finding the Fourth Proportional to 1,113,604.35, 1,670,406.53 and 830,169.15

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Solution

The fourth proportional to 1,113,604.35, 1,670,406.53 and 830,169.15 is: 1,245,253.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,113,604.35 : 1,670,406.53 = 830,169.15 : x
  2. Step 2: Convert to fraction form
    1,113,604.35/1,670,406.53 = 830,169.15/x
  3. Step 3: Cross multiply
    1,113,604.35x = 1,670,406.53 × 830,169.15
  4. Step 4: Simplify right side
    1,113,604.35x = 1,386,719,965,013.70
  5. Step 5: Solve for x
    x = 1,386,719,965,013.70/1,113,604.35
  6. Step 6: Final answer
    x = 1,245,253.73

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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.