Home / 1,420,069.16-2,130,403.03-460,449.97

Finding the Fourth Proportional to 1,420,069.16, 2,130,403.03 and 460,449.97

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Solution

The fourth proportional to 1,420,069.16, 2,130,403.03 and 460,449.97 is: 690,771.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,069.16 : 2,130,403.03 = 460,449.97 : x
  2. Step 2: Convert to fraction form
    1,420,069.16/2,130,403.03 = 460,449.97/x
  3. Step 3: Cross multiply
    1,420,069.16x = 2,130,403.03 × 460,449.97
  4. Step 4: Simplify right side
    1,420,069.16x = 980,944,004,774.28
  5. Step 5: Solve for x
    x = 980,944,004,774.28/1,420,069.16
  6. Step 6: Final answer
    x = 690,771.99

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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.