Home / 1,222,610.69-1,834,756.87-423,892.27

Finding the Fourth Proportional to 1,222,610.69, 1,834,756.87 and 423,892.27

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Solution

The fourth proportional to 1,222,610.69, 1,834,756.87 and 423,892.27 is: 636,129.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,222,610.69 : 1,834,756.87 = 423,892.27 : x
  2. Step 2: Convert to fraction form
    1,222,610.69/1,834,756.87 = 423,892.27/x
  3. Step 3: Cross multiply
    1,222,610.69x = 1,834,756.87 × 423,892.27
  4. Step 4: Simplify right side
    1,222,610.69x = 777,739,248,875.77
  5. Step 5: Solve for x
    x = 777,739,248,875.77/1,222,610.69
  6. Step 6: Final answer
    x = 636,129.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.