Home / 1,070,992.70-1,609,113.46-805,272.20

Finding the Fourth Proportional to 1,070,992.70, 1,609,113.46 and 805,272.20

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Solution

The fourth proportional to 1,070,992.70, 1,609,113.46 and 805,272.20 is: 1,209,881.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070,992.70 : 1,609,113.46 = 805,272.20 : x
  2. Step 2: Convert to fraction form
    1,070,992.70/1,609,113.46 = 805,272.20/x
  3. Step 3: Cross multiply
    1,070,992.70x = 1,609,113.46 × 805,272.20
  4. Step 4: Simplify right side
    1,070,992.70x = 1,295,774,335,983.81
  5. Step 5: Solve for x
    x = 1,295,774,335,983.81/1,070,992.70
  6. Step 6: Final answer
    x = 1,209,881.58

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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.