Home / 1,055,929.22-1,455,772.66-838,858.13

Finding the Fourth Proportional to 1,055,929.22, 1,455,772.66 and 838,858.13

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Solution

The fourth proportional to 1,055,929.22, 1,455,772.66 and 838,858.13 is: 1,156,504.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,929.22 : 1,455,772.66 = 838,858.13 : x
  2. Step 2: Convert to fraction form
    1,055,929.22/1,455,772.66 = 838,858.13/x
  3. Step 3: Cross multiply
    1,055,929.22x = 1,455,772.66 × 838,858.13
  4. Step 4: Simplify right side
    1,055,929.22x = 1,221,186,731,272.73
  5. Step 5: Solve for x
    x = 1,221,186,731,272.73/1,055,929.22
  6. Step 6: Final answer
    x = 1,156,504.35

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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.