Home / 1,336,705.90-2,005,058.85-832,821.10

Finding the Fourth Proportional to 1,336,705.90, 2,005,058.85 and 832,821.10

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Solution

The fourth proportional to 1,336,705.90, 2,005,058.85 and 832,821.10 is: 1,249,231.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,336,705.90 : 2,005,058.85 = 832,821.10 : x
  2. Step 2: Convert to fraction form
    1,336,705.90/2,005,058.85 = 832,821.10/x
  3. Step 3: Cross multiply
    1,336,705.90x = 2,005,058.85 × 832,821.10
  4. Step 4: Simplify right side
    1,336,705.90x = 1,669,855,317,021.74
  5. Step 5: Solve for x
    x = 1,669,855,317,021.74/1,336,705.90
  6. Step 6: Final answer
    x = 1,249,231.65

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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.