Home / 1,256,940.84-1,885,415.13-310,311.66

Finding the Fourth Proportional to 1,256,940.84, 1,885,415.13 and 310,311.66

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Solution

The fourth proportional to 1,256,940.84, 1,885,415.13 and 310,311.66 is: 465,468.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,940.84 : 1,885,415.13 = 310,311.66 : x
  2. Step 2: Convert to fraction form
    1,256,940.84/1,885,415.13 = 310,311.66/x
  3. Step 3: Cross multiply
    1,256,940.84x = 1,885,415.13 × 310,311.66
  4. Step 4: Simplify right side
    1,256,940.84x = 585,066,298,779.42
  5. Step 5: Solve for x
    x = 585,066,298,779.42/1,256,940.84
  6. Step 6: Final answer
    x = 465,468.45

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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.