Home / 889,185.72-1,226,202.60-815,422.24

Finding the Fourth Proportional to 889,185.72, 1,226,202.60 and 815,422.24

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Solution

The fourth proportional to 889,185.72, 1,226,202.60 and 815,422.24 is: 1,124,481.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,185.72 : 1,226,202.60 = 815,422.24 : x
  2. Step 2: Convert to fraction form
    889,185.72/1,226,202.60 = 815,422.24/x
  3. Step 3: Cross multiply
    889,185.72x = 1,226,202.60 × 815,422.24
  4. Step 4: Simplify right side
    889,185.72x = 999,872,870,785.82
  5. Step 5: Solve for x
    x = 999,872,870,785.82/889,185.72
  6. Step 6: Final answer
    x = 1,124,481.48

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1.5x scale

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.