Home / 1,429,679.88-1,971,291.42-1,066,473.18

Finding the Fourth Proportional to 1,429,679.88, 1,971,291.42 and 1,066,473.18

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Solution

The fourth proportional to 1,429,679.88, 1,971,291.42 and 1,066,473.18 is: 1,470,489.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,679.88 : 1,971,291.42 = 1,066,473.18 : x
  2. Step 2: Convert to fraction form
    1,429,679.88/1,971,291.42 = 1,066,473.18/x
  3. Step 3: Cross multiply
    1,429,679.88x = 1,971,291.42 × 1,066,473.18
  4. Step 4: Simplify right side
    1,429,679.88x = 2,102,329,429,394.12
  5. Step 5: Solve for x
    x = 2,102,329,429,394.12/1,429,679.88
  6. Step 6: Final answer
    x = 1,470,489.62

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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.