Home / 1,319,931.52-1,821,527.34-716,319.52

Finding the Fourth Proportional to 1,319,931.52, 1,821,527.34 and 716,319.52

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Solution

The fourth proportional to 1,319,931.52, 1,821,527.34 and 716,319.52 is: 988,532.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,319,931.52 : 1,821,527.34 = 716,319.52 : x
  2. Step 2: Convert to fraction form
    1,319,931.52/1,821,527.34 = 716,319.52/x
  3. Step 3: Cross multiply
    1,319,931.52x = 1,821,527.34 × 716,319.52
  4. Step 4: Simplify right side
    1,319,931.52x = 1,304,795,589,855.68
  5. Step 5: Solve for x
    x = 1,304,795,589,855.68/1,319,931.52
  6. Step 6: Final answer
    x = 988,532.79

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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.