Home / 1,071,878.22-1,606,594.28-431,772.35

Finding the Fourth Proportional to 1,071,878.22, 1,606,594.28 and 431,772.35

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Solution

The fourth proportional to 1,071,878.22, 1,606,594.28 and 431,772.35 is: 647,165.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,071,878.22 : 1,606,594.28 = 431,772.35 : x
  2. Step 2: Convert to fraction form
    1,071,878.22/1,606,594.28 = 431,772.35/x
  3. Step 3: Cross multiply
    1,071,878.22x = 1,606,594.28 × 431,772.35
  4. Step 4: Simplify right side
    1,071,878.22x = 693,682,977,580.33
  5. Step 5: Solve for x
    x = 693,682,977,580.33/1,071,878.22
  6. Step 6: Final answer
    x = 647,165.85

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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.