Home / 1,319,796.32-1,821,318.89-716,184.32

Finding the Fourth Proportional to 1,319,796.32, 1,821,318.89 and 716,184.32

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Solution

The fourth proportional to 1,319,796.32, 1,821,318.89 and 716,184.32 is: 988,334.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,319,796.32 : 1,821,318.89 = 716,184.32 : x
  2. Step 2: Convert to fraction form
    1,319,796.32/1,821,318.89 = 716,184.32/x
  3. Step 3: Cross multiply
    1,319,796.32x = 1,821,318.89 × 716,184.32
  4. Step 4: Simplify right side
    1,319,796.32x = 1,304,400,018,050.29
  5. Step 5: Solve for x
    x = 1,304,400,018,050.29/1,319,796.32
  6. Step 6: Final answer
    x = 988,334.34

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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.