Home / 1,272,734.24-1,756,373.40-699,813.20

Finding the Fourth Proportional to 1,272,734.24, 1,756,373.40 and 699,813.20

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Solution

The fourth proportional to 1,272,734.24, 1,756,373.40 and 699,813.20 is: 965,742.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,734.24 : 1,756,373.40 = 699,813.20 : x
  2. Step 2: Convert to fraction form
    1,272,734.24/1,756,373.40 = 699,813.20/x
  3. Step 3: Cross multiply
    1,272,734.24x = 1,756,373.40 × 699,813.20
  4. Step 4: Simplify right side
    1,272,734.24x = 1,229,133,289,448.88
  5. Step 5: Solve for x
    x = 1,229,133,289,448.88/1,272,734.24
  6. Step 6: Final answer
    x = 965,742.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.