Home / 1,005,889.83-1,388,100.27-553,180.83

Finding the Fourth Proportional to 1,005,889.83, 1,388,100.27 and 553,180.83

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Solution

The fourth proportional to 1,005,889.83, 1,388,100.27 and 553,180.83 is: 763,374.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,889.83 : 1,388,100.27 = 553,180.83 : x
  2. Step 2: Convert to fraction form
    1,005,889.83/1,388,100.27 = 553,180.83/x
  3. Step 3: Cross multiply
    1,005,889.83x = 1,388,100.27 × 553,180.83
  4. Step 4: Simplify right side
    1,005,889.83x = 767,870,459,481.82
  5. Step 5: Solve for x
    x = 767,870,459,481.82/1,005,889.83
  6. Step 6: Final answer
    x = 763,374.31

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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.