Home / 1,431,904.99-1,976,028.48-787,366.93

Finding the Fourth Proportional to 1,431,904.99, 1,976,028.48 and 787,366.93

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Solution

The fourth proportional to 1,431,904.99, 1,976,028.48 and 787,366.93 is: 1,086,566.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,904.99 : 1,976,028.48 = 787,366.93 : x
  2. Step 2: Convert to fraction form
    1,431,904.99/1,976,028.48 = 787,366.93/x
  3. Step 3: Cross multiply
    1,431,904.99x = 1,976,028.48 × 787,366.93
  4. Step 4: Simplify right side
    1,431,904.99x = 1,555,859,477,890.17
  5. Step 5: Solve for x
    x = 1,555,859,477,890.17/1,431,904.99
  6. Step 6: Final answer
    x = 1,086,566.14

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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.