Home / 1,319,874.56-1,821,426.84-716,262.56

Finding the Fourth Proportional to 1,319,874.56, 1,821,426.84 and 716,262.56

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Solution

The fourth proportional to 1,319,874.56, 1,821,426.84 and 716,262.56 is: 988,442.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,319,874.56 : 1,821,426.84 = 716,262.56 : x
  2. Step 2: Convert to fraction form
    1,319,874.56/1,821,426.84 = 716,262.56/x
  3. Step 3: Cross multiply
    1,319,874.56x = 1,821,426.84 × 716,262.56
  4. Step 4: Simplify right side
    1,319,874.56x = 1,304,619,851,271.11
  5. Step 5: Solve for x
    x = 1,304,619,851,271.11/1,319,874.56
  6. Step 6: Final answer
    x = 988,442.30

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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.