Home / 1,086,862.75-1,499,801.21-603,427.77

Finding the Fourth Proportional to 1,086,862.75, 1,499,801.21 and 603,427.77

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Solution

The fourth proportional to 1,086,862.75, 1,499,801.21 and 603,427.77 is: 832,691.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,862.75 : 1,499,801.21 = 603,427.77 : x
  2. Step 2: Convert to fraction form
    1,086,862.75/1,499,801.21 = 603,427.77/x
  3. Step 3: Cross multiply
    1,086,862.75x = 1,499,801.21 × 603,427.77
  4. Step 4: Simplify right side
    1,086,862.75x = 905,021,701,102.17
  5. Step 5: Solve for x
    x = 905,021,701,102.17/1,086,862.75
  6. Step 6: Final answer
    x = 832,691.80

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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.