Home / 1,668,445.74-2,302,449.03-933,401.70

Finding the Fourth Proportional to 1,668,445.74, 2,302,449.03 and 933,401.70

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Solution

The fourth proportional to 1,668,445.74, 2,302,449.03 and 933,401.70 is: 1,288,090.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,668,445.74 : 2,302,449.03 = 933,401.70 : x
  2. Step 2: Convert to fraction form
    1,668,445.74/2,302,449.03 = 933,401.70/x
  3. Step 3: Cross multiply
    1,668,445.74x = 2,302,449.03 × 933,401.70
  4. Step 4: Simplify right side
    1,668,445.74x = 2,149,109,838,765.35
  5. Step 5: Solve for x
    x = 2,149,109,838,765.35/1,668,445.74
  6. Step 6: Final answer
    x = 1,288,090.94

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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.