Home / 1,005,877.58-1,388,083.38-553,168.58

Finding the Fourth Proportional to 1,005,877.58, 1,388,083.38 and 553,168.58

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Solution

The fourth proportional to 1,005,877.58, 1,388,083.38 and 553,168.58 is: 763,357.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,877.58 : 1,388,083.38 = 553,168.58 : x
  2. Step 2: Convert to fraction form
    1,005,877.58/1,388,083.38 = 553,168.58/x
  3. Step 3: Cross multiply
    1,005,877.58x = 1,388,083.38 × 553,168.58
  4. Step 4: Simplify right side
    1,005,877.58x = 767,844,112,236.20
  5. Step 5: Solve for x
    x = 767,844,112,236.20/1,005,877.58
  6. Step 6: Final answer
    x = 763,357.42

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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.