Home / 1,280,380.01-1,766,960.06-707,457.11

Finding the Fourth Proportional to 1,280,380.01, 1,766,960.06 and 707,457.11

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Solution

The fourth proportional to 1,280,380.01, 1,766,960.06 and 707,457.11 is: 976,310.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,280,380.01 : 1,766,960.06 = 707,457.11 : x
  2. Step 2: Convert to fraction form
    1,280,380.01/1,766,960.06 = 707,457.11/x
  3. Step 3: Cross multiply
    1,280,380.01x = 1,766,960.06 × 707,457.11
  4. Step 4: Simplify right side
    1,280,380.01x = 1,250,048,445,160.94
  5. Step 5: Solve for x
    x = 1,250,048,445,160.94/1,280,380.01
  6. Step 6: Final answer
    x = 976,310.50

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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.