Home / 1,104,847.40-1,658,145.90-431,251.40

Finding the Fourth Proportional to 1,104,847.40, 1,658,145.90 and 431,251.40

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Solution

The fourth proportional to 1,104,847.40, 1,658,145.90 and 431,251.40 is: 647,218.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,104,847.40 : 1,658,145.90 = 431,251.40 : x
  2. Step 2: Convert to fraction form
    1,104,847.40/1,658,145.90 = 431,251.40/x
  3. Step 3: Cross multiply
    1,104,847.40x = 1,658,145.90 × 431,251.40
  4. Step 4: Simplify right side
    1,104,847.40x = 715,077,740,779.26
  5. Step 5: Solve for x
    x = 715,077,740,779.26/1,104,847.40
  6. Step 6: Final answer
    x = 647,218.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.