Home / 1,005,890.58-1,388,101.32-553,181.58

Finding the Fourth Proportional to 1,005,890.58, 1,388,101.32 and 553,181.58

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Solution

The fourth proportional to 1,005,890.58, 1,388,101.32 and 553,181.58 is: 763,375.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,890.58 : 1,388,101.32 = 553,181.58 : x
  2. Step 2: Convert to fraction form
    1,005,890.58/1,388,101.32 = 553,181.58/x
  3. Step 3: Cross multiply
    1,005,890.58x = 1,388,101.32 × 553,181.58
  4. Step 4: Simplify right side
    1,005,890.58x = 767,872,081,397.69
  5. Step 5: Solve for x
    x = 767,872,081,397.69/1,005,890.58
  6. Step 6: Final answer
    x = 763,375.36

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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.