Home / 1,142,682.12-1,576,840.59-659,218.43

Finding the Fourth Proportional to 1,142,682.12, 1,576,840.59 and 659,218.43

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Solution

The fourth proportional to 1,142,682.12, 1,576,840.59 and 659,218.43 is: 909,686.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,682.12 : 1,576,840.59 = 659,218.43 : x
  2. Step 2: Convert to fraction form
    1,142,682.12/1,576,840.59 = 659,218.43/x
  3. Step 3: Cross multiply
    1,142,682.12x = 1,576,840.59 × 659,218.43
  4. Step 4: Simplify right side
    1,142,682.12x = 1,039,482,382,042.18
  5. Step 5: Solve for x
    x = 1,039,482,382,042.18/1,142,682.12
  6. Step 6: Final answer
    x = 909,686.40

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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.