Home / 1,080,854.20-1,616,615.70-912,892.60

Finding the Fourth Proportional to 1,080,854.20, 1,616,615.70 and 912,892.60

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Solution

The fourth proportional to 1,080,854.20, 1,616,615.70 and 912,892.60 is: 1,365,398.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,080,854.20 : 1,616,615.70 = 912,892.60 : x
  2. Step 2: Convert to fraction form
    1,080,854.20/1,616,615.70 = 912,892.60/x
  3. Step 3: Cross multiply
    1,080,854.20x = 1,616,615.70 × 912,892.60
  4. Step 4: Simplify right side
    1,080,854.20x = 1,475,796,509,573.82
  5. Step 5: Solve for x
    x = 1,475,796,509,573.82/1,080,854.20
  6. Step 6: Final answer
    x = 1,365,398.32

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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.