Home / 1,099,603.16-1,648,887.12-425,999.87

Finding the Fourth Proportional to 1,099,603.16, 1,648,887.12 and 425,999.87

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Solution

The fourth proportional to 1,099,603.16, 1,648,887.12 and 425,999.87 is: 638,799.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,099,603.16 : 1,648,887.12 = 425,999.87 : x
  2. Step 2: Convert to fraction form
    1,099,603.16/1,648,887.12 = 425,999.87/x
  3. Step 3: Cross multiply
    1,099,603.16x = 1,648,887.12 × 425,999.87
  4. Step 4: Simplify right side
    1,099,603.16x = 702,425,690,520.24
  5. Step 5: Solve for x
    x = 702,425,690,520.24/1,099,603.16
  6. Step 6: Final answer
    x = 638,799.27

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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.