Home / 1,259,307.70-1,737,885.32-715,433.60

Finding the Fourth Proportional to 1,259,307.70, 1,737,885.32 and 715,433.60

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Solution

The fourth proportional to 1,259,307.70, 1,737,885.32 and 715,433.60 is: 987,321.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,307.70 : 1,737,885.32 = 715,433.60 : x
  2. Step 2: Convert to fraction form
    1,259,307.70/1,737,885.32 = 715,433.60/x
  3. Step 3: Cross multiply
    1,259,307.70x = 1,737,885.32 × 715,433.60
  4. Step 4: Simplify right side
    1,259,307.70x = 1,243,341,550,874.75
  5. Step 5: Solve for x
    x = 1,243,341,550,874.75/1,259,307.70
  6. Step 6: Final answer
    x = 987,321.49

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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.