Home / 1,104,421.84-1,520,632.87-938,499.83

Finding the Fourth Proportional to 1,104,421.84, 1,520,632.87 and 938,499.83

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Solution

The fourth proportional to 1,104,421.84, 1,520,632.87 and 938,499.83 is: 1,292,181.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,104,421.84 : 1,520,632.87 = 938,499.83 : x
  2. Step 2: Convert to fraction form
    1,104,421.84/1,520,632.87 = 938,499.83/x
  3. Step 3: Cross multiply
    1,104,421.84x = 1,520,632.87 × 938,499.83
  4. Step 4: Simplify right side
    1,104,421.84x = 1,427,113,691,442.74
  5. Step 5: Solve for x
    x = 1,427,113,691,442.74/1,104,421.84
  6. Step 6: Final answer
    x = 1,292,181.70

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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.