Home / 1,120,969.10-1,681,453.65-672,196.70

Finding the Fourth Proportional to 1,120,969.10, 1,681,453.65 and 672,196.70

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Solution

The fourth proportional to 1,120,969.10, 1,681,453.65 and 672,196.70 is: 1,008,295.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,969.10 : 1,681,453.65 = 672,196.70 : x
  2. Step 2: Convert to fraction form
    1,120,969.10/1,681,453.65 = 672,196.70/x
  3. Step 3: Cross multiply
    1,120,969.10x = 1,681,453.65 × 672,196.70
  4. Step 4: Simplify right side
    1,120,969.10x = 1,130,267,594,732.95
  5. Step 5: Solve for x
    x = 1,130,267,594,732.95/1,120,969.10
  6. Step 6: Final answer
    x = 1,008,295.05

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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.