Home / 1,211,042.72-1,671,237.84-702,040.16

Finding the Fourth Proportional to 1,211,042.72, 1,671,237.84 and 702,040.16

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Solution

The fourth proportional to 1,211,042.72, 1,671,237.84 and 702,040.16 is: 968,814.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,042.72 : 1,671,237.84 = 702,040.16 : x
  2. Step 2: Convert to fraction form
    1,211,042.72/1,671,237.84 = 702,040.16/x
  3. Step 3: Cross multiply
    1,211,042.72x = 1,671,237.84 × 702,040.16
  4. Step 4: Simplify right side
    1,211,042.72x = 1,173,276,080,591.65
  5. Step 5: Solve for x
    x = 1,173,276,080,591.65/1,211,042.72
  6. Step 6: Final answer
    x = 968,814.78

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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.