Home / 1,319,754-1,821,265.38-716,142

Finding the Fourth Proportional to 1,319,754, 1,821,265.38 and 716,142

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Solution

The fourth proportional to 1,319,754, 1,821,265.38 and 716,142 is: 988,278.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,319,754 : 1,821,265.38 = 716,142 : x
  2. Step 2: Convert to fraction form
    1,319,754/1,821,265.38 = 716,142/x
  3. Step 3: Cross multiply
    1,319,754x = 1,821,265.38 × 716,142
  4. Step 4: Simplify right side
    1,319,754x = 1,304,284,631,763.96
  5. Step 5: Solve for x
    x = 1,304,284,631,763.96/1,319,754
  6. Step 6: Final answer
    x = 988,278.60

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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.