Home / 1,126,075.09-1,691,807.31-722,058.86

Finding the Fourth Proportional to 1,126,075.09, 1,691,807.31 and 722,058.86

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Solution

The fourth proportional to 1,126,075.09, 1,691,807.31 and 722,058.86 is: 1,084,816.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,075.09 : 1,691,807.31 = 722,058.86 : x
  2. Step 2: Convert to fraction form
    1,126,075.09/1,691,807.31 = 722,058.86/x
  3. Step 3: Cross multiply
    1,126,075.09x = 1,691,807.31 × 722,058.86
  4. Step 4: Simplify right side
    1,126,075.09x = 1,221,584,454,675.65
  5. Step 5: Solve for x
    x = 1,221,584,454,675.65/1,126,075.09
  6. Step 6: Final answer
    x = 1,084,816.16

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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.