Home / 1,298,809.46-1,948,427.42-400,251.34

Finding the Fourth Proportional to 1,298,809.46, 1,948,427.42 and 400,251.34

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Solution

The fourth proportional to 1,298,809.46, 1,948,427.42 and 400,251.34 is: 600,442.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,809.46 : 1,948,427.42 = 400,251.34 : x
  2. Step 2: Convert to fraction form
    1,298,809.46/1,948,427.42 = 400,251.34/x
  3. Step 3: Cross multiply
    1,298,809.46x = 1,948,427.42 × 400,251.34
  4. Step 4: Simplify right side
    1,298,809.46x = 779,860,685,747.74
  5. Step 5: Solve for x
    x = 779,860,685,747.74/1,298,809.46
  6. Step 6: Final answer
    x = 600,442.72

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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.