Home / 1,230,635.38-1,698,266.98-714,437.18

Finding the Fourth Proportional to 1,230,635.38, 1,698,266.98 and 714,437.18

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Solution

The fourth proportional to 1,230,635.38, 1,698,266.98 and 714,437.18 is: 985,917.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,635.38 : 1,698,266.98 = 714,437.18 : x
  2. Step 2: Convert to fraction form
    1,230,635.38/1,698,266.98 = 714,437.18/x
  3. Step 3: Cross multiply
    1,230,635.38x = 1,698,266.98 × 714,437.18
  4. Step 4: Simplify right side
    1,230,635.38x = 1,213,305,072,078.32
  5. Step 5: Solve for x
    x = 1,213,305,072,078.32/1,230,635.38
  6. Step 6: Final answer
    x = 985,917.59

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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.