Home / 1,264,739.76-1,896,969.88-318,110.84

Finding the Fourth Proportional to 1,264,739.76, 1,896,969.88 and 318,110.84

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Solution

The fourth proportional to 1,264,739.76, 1,896,969.88 and 318,110.84 is: 477,131.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,264,739.76 : 1,896,969.88 = 318,110.84 : x
  2. Step 2: Convert to fraction form
    1,264,739.76/1,896,969.88 = 318,110.84/x
  3. Step 3: Cross multiply
    1,264,739.76x = 1,896,969.88 × 318,110.84
  4. Step 4: Simplify right side
    1,264,739.76x = 603,446,681,981.50
  5. Step 5: Solve for x
    x = 603,446,681,981.50/1,264,739.76
  6. Step 6: Final answer
    x = 477,131.11

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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.