Home / 1,055,939.60-1,455,786.98-838,868.50

Finding the Fourth Proportional to 1,055,939.60, 1,455,786.98 and 838,868.50

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Solution

The fourth proportional to 1,055,939.60, 1,455,786.98 and 838,868.50 is: 1,156,518.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,939.60 : 1,455,786.98 = 838,868.50 : x
  2. Step 2: Convert to fraction form
    1,055,939.60/1,455,786.98 = 838,868.50/x
  3. Step 3: Cross multiply
    1,055,939.60x = 1,455,786.98 × 838,868.50
  4. Step 4: Simplify right side
    1,055,939.60x = 1,221,213,840,232.13
  5. Step 5: Solve for x
    x = 1,221,213,840,232.13/1,055,939.60
  6. Step 6: Final answer
    x = 1,156,518.65

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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.