Home / 1,490,668.85-2,058,401.62-1,442,465.50

Finding the Fourth Proportional to 1,490,668.85, 2,058,401.62 and 1,442,465.50

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Solution

The fourth proportional to 1,490,668.85, 2,058,401.62 and 1,442,465.50 is: 1,991,839.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490,668.85 : 2,058,401.62 = 1,442,465.50 : x
  2. Step 2: Convert to fraction form
    1,490,668.85/2,058,401.62 = 1,442,465.50/x
  3. Step 3: Cross multiply
    1,490,668.85x = 2,058,401.62 × 1,442,465.50
  4. Step 4: Simplify right side
    1,490,668.85x = 2,969,173,324,567.11
  5. Step 5: Solve for x
    x = 2,969,173,324,567.11/1,490,668.85
  6. Step 6: Final answer
    x = 1,991,839.65

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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.