Home / 1,147,206.30-1,720,809.45-699,308.70

Finding the Fourth Proportional to 1,147,206.30, 1,720,809.45 and 699,308.70

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Solution

The fourth proportional to 1,147,206.30, 1,720,809.45 and 699,308.70 is: 1,048,963.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,147,206.30 : 1,720,809.45 = 699,308.70 : x
  2. Step 2: Convert to fraction form
    1,147,206.30/1,720,809.45 = 699,308.70/x
  3. Step 3: Cross multiply
    1,147,206.30x = 1,720,809.45 × 699,308.70
  4. Step 4: Simplify right side
    1,147,206.30x = 1,203,377,019,427.21
  5. Step 5: Solve for x
    x = 1,203,377,019,427.21/1,147,206.30
  6. Step 6: Final answer
    x = 1,048,963.05

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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.