Home / 1,270,007.02-1,752,642.93-726,231.34

Finding the Fourth Proportional to 1,270,007.02, 1,752,642.93 and 726,231.34

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Solution

The fourth proportional to 1,270,007.02, 1,752,642.93 and 726,231.34 is: 1,002,218.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,270,007.02 : 1,752,642.93 = 726,231.34 : x
  2. Step 2: Convert to fraction form
    1,270,007.02/1,752,642.93 = 726,231.34/x
  3. Step 3: Cross multiply
    1,270,007.02x = 1,752,642.93 × 726,231.34
  4. Step 4: Simplify right side
    1,270,007.02x = 1,272,824,223,595.43
  5. Step 5: Solve for x
    x = 1,272,824,223,595.43/1,270,007.02
  6. Step 6: Final answer
    x = 1,002,218.26

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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.