Home / 1,539,725.76-2,309,964.99-1,085,203.37

Finding the Fourth Proportional to 1,539,725.76, 2,309,964.99 and 1,085,203.37

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Solution

The fourth proportional to 1,539,725.76, 2,309,964.99 and 1,085,203.37 is: 1,628,070.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,539,725.76 : 2,309,964.99 = 1,085,203.37 : x
  2. Step 2: Convert to fraction form
    1,539,725.76/2,309,964.99 = 1,085,203.37/x
  3. Step 3: Cross multiply
    1,539,725.76x = 2,309,964.99 × 1,085,203.37
  4. Step 4: Simplify right side
    1,539,725.76x = 2,506,781,793,435.42
  5. Step 5: Solve for x
    x = 2,506,781,793,435.42/1,539,725.76
  6. Step 6: Final answer
    x = 1,628,070.31

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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.