Home / 1,640,408.76-2,460,503.79-788,091.12

Finding the Fourth Proportional to 1,640,408.76, 2,460,503.79 and 788,091.12

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Solution

The fourth proportional to 1,640,408.76, 2,460,503.79 and 788,091.12 is: 1,182,084.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,640,408.76 : 2,460,503.79 = 788,091.12 : x
  2. Step 2: Convert to fraction form
    1,640,408.76/2,460,503.79 = 788,091.12/x
  3. Step 3: Cross multiply
    1,640,408.76x = 2,460,503.79 × 788,091.12
  4. Step 4: Simplify right side
    1,640,408.76x = 1,939,101,187,625.34
  5. Step 5: Solve for x
    x = 1,939,101,187,625.34/1,640,408.76
  6. Step 6: Final answer
    x = 1,182,084.15

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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.