Home / 1,319,686.82-1,980,930.05-1,168,863

Finding the Fourth Proportional to 1,319,686.82, 1,980,930.05 and 1,168,863

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Solution

The fourth proportional to 1,319,686.82, 1,980,930.05 and 1,168,863 is: 1,754,534.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,319,686.82 : 1,980,930.05 = 1,168,863 : x
  2. Step 2: Convert to fraction form
    1,319,686.82/1,980,930.05 = 1,168,863/x
  3. Step 3: Cross multiply
    1,319,686.82x = 1,980,930.05 × 1,168,863
  4. Step 4: Simplify right side
    1,319,686.82x = 2,315,435,841,033.15
  5. Step 5: Solve for x
    x = 2,315,435,841,033.15/1,319,686.82
  6. Step 6: Final answer
    x = 1,754,534.34

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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.