Home / 1,272,911.40-1,756,662.84-699,995.16

Finding the Fourth Proportional to 1,272,911.40, 1,756,662.84 and 699,995.16

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Solution

The fourth proportional to 1,272,911.40, 1,756,662.84 and 699,995.16 is: 966,018.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,911.40 : 1,756,662.84 = 699,995.16 : x
  2. Step 2: Convert to fraction form
    1,272,911.40/1,756,662.84 = 699,995.16/x
  3. Step 3: Cross multiply
    1,272,911.40x = 1,756,662.84 × 699,995.16
  4. Step 4: Simplify right side
    1,272,911.40x = 1,229,655,485,751.85
  5. Step 5: Solve for x
    x = 1,229,655,485,751.85/1,272,911.40
  6. Step 6: Final answer
    x = 966,018.13

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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.