Home / 1,214,118.20-1,675,462.47-670,240.10

Finding the Fourth Proportional to 1,214,118.20, 1,675,462.47 and 670,240.10

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Solution

The fourth proportional to 1,214,118.20, 1,675,462.47 and 670,240.10 is: 924,919.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,118.20 : 1,675,462.47 = 670,240.10 : x
  2. Step 2: Convert to fraction form
    1,214,118.20/1,675,462.47 = 670,240.10/x
  3. Step 3: Cross multiply
    1,214,118.20x = 1,675,462.47 × 670,240.10
  4. Step 4: Simplify right side
    1,214,118.20x = 1,122,962,133,439.05
  5. Step 5: Solve for x
    x = 1,122,962,133,439.05/1,214,118.20
  6. Step 6: Final answer
    x = 924,919.94

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Double scale
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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.