Home / 1,431,669.70-1,975,686.45-787,084.24

Finding the Fourth Proportional to 1,431,669.70, 1,975,686.45 and 787,084.24

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Solution

The fourth proportional to 1,431,669.70, 1,975,686.45 and 787,084.24 is: 1,086,166.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,669.70 : 1,975,686.45 = 787,084.24 : x
  2. Step 2: Convert to fraction form
    1,431,669.70/1,975,686.45 = 787,084.24/x
  3. Step 3: Cross multiply
    1,431,669.70x = 1,975,686.45 × 787,084.24
  4. Step 4: Simplify right side
    1,431,669.70x = 1,555,031,667,976.55
  5. Step 5: Solve for x
    x = 1,555,031,667,976.55/1,431,669.70
  6. Step 6: Final answer
    x = 1,086,166.50

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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.