Home / 1,086,399.90-1,629,599.85-637,335.90

Finding the Fourth Proportional to 1,086,399.90, 1,629,599.85 and 637,335.90

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Solution

The fourth proportional to 1,086,399.90, 1,629,599.85 and 637,335.90 is: 956,003.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,399.90 : 1,629,599.85 = 637,335.90 : x
  2. Step 2: Convert to fraction form
    1,086,399.90/1,629,599.85 = 637,335.90/x
  3. Step 3: Cross multiply
    1,086,399.90x = 1,629,599.85 × 637,335.90
  4. Step 4: Simplify right side
    1,086,399.90x = 1,038,602,487,039.62
  5. Step 5: Solve for x
    x = 1,038,602,487,039.62/1,086,399.90
  6. Step 6: Final answer
    x = 956,003.85

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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.