Home / 1,108,903.02-1,529,910.28-904,600.77

Finding the Fourth Proportional to 1,108,903.02, 1,529,910.28 and 904,600.77

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Solution

The fourth proportional to 1,108,903.02, 1,529,910.28 and 904,600.77 is: 1,248,042.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,903.02 : 1,529,910.28 = 904,600.77 : x
  2. Step 2: Convert to fraction form
    1,108,903.02/1,529,910.28 = 904,600.77/x
  3. Step 3: Cross multiply
    1,108,903.02x = 1,529,910.28 × 904,600.77
  4. Step 4: Simplify right side
    1,108,903.02x = 1,383,958,017,318.92
  5. Step 5: Solve for x
    x = 1,383,958,017,318.92/1,108,903.02
  6. Step 6: Final answer
    x = 1,248,042.43

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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.