Home / 1,099,165.83-1,648,551.10-389,197.59

Finding the Fourth Proportional to 1,099,165.83, 1,648,551.10 and 389,197.59

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Solution

The fourth proportional to 1,099,165.83, 1,648,551.10 and 389,197.59 is: 583,726.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,099,165.83 : 1,648,551.10 = 389,197.59 : x
  2. Step 2: Convert to fraction form
    1,099,165.83/1,648,551.10 = 389,197.59/x
  3. Step 3: Cross multiply
    1,099,165.83x = 1,648,551.10 × 389,197.59
  4. Step 4: Simplify right side
    1,099,165.83x = 641,612,115,111.85
  5. Step 5: Solve for x
    x = 641,612,115,111.85/1,099,165.83
  6. Step 6: Final answer
    x = 583,726.40

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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.