Home / 1,319,758-1,821,270.90-716,146

Finding the Fourth Proportional to 1,319,758, 1,821,270.90 and 716,146

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Solution

The fourth proportional to 1,319,758, 1,821,270.90 and 716,146 is: 988,284.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,319,758 : 1,821,270.90 = 716,146 : x
  2. Step 2: Convert to fraction form
    1,319,758/1,821,270.90 = 716,146/x
  3. Step 3: Cross multiply
    1,319,758x = 1,821,270.90 × 716,146
  4. Step 4: Simplify right side
    1,319,758x = 1,304,295,869,951.40
  5. Step 5: Solve for x
    x = 1,304,295,869,951.40/1,319,758
  6. Step 6: Final answer
    x = 988,284.12

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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.