Home / 1,605,344.22-2,215,290.15-916,880.76

Finding the Fourth Proportional to 1,605,344.22, 2,215,290.15 and 916,880.76

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Solution

The fourth proportional to 1,605,344.22, 2,215,290.15 and 916,880.76 is: 1,265,246.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,605,344.22 : 2,215,290.15 = 916,880.76 : x
  2. Step 2: Convert to fraction form
    1,605,344.22/2,215,290.15 = 916,880.76/x
  3. Step 3: Cross multiply
    1,605,344.22x = 2,215,290.15 × 916,880.76
  4. Step 4: Simplify right side
    1,605,344.22x = 2,031,156,916,352.51
  5. Step 5: Solve for x
    x = 2,031,156,916,352.51/1,605,344.22
  6. Step 6: Final answer
    x = 1,265,246.97

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.