Home / 1,070,978.70-1,609,092.46-805,258.20

Finding the Fourth Proportional to 1,070,978.70, 1,609,092.46 and 805,258.20

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Solution

The fourth proportional to 1,070,978.70, 1,609,092.46 and 805,258.20 is: 1,209,860.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070,978.70 : 1,609,092.46 = 805,258.20 : x
  2. Step 2: Convert to fraction form
    1,070,978.70/1,609,092.46 = 805,258.20/x
  3. Step 3: Cross multiply
    1,070,978.70x = 1,609,092.46 × 805,258.20
  4. Step 4: Simplify right side
    1,070,978.70x = 1,295,734,897,973.17
  5. Step 5: Solve for x
    x = 1,295,734,897,973.17/1,070,978.70
  6. Step 6: Final answer
    x = 1,209,860.57

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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.