Home / 1,706,959.66-2,560,820.80-642,010.95

Finding the Fourth Proportional to 1,706,959.66, 2,560,820.80 and 642,010.95

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Solution

The fourth proportional to 1,706,959.66, 2,560,820.80 and 642,010.95 is: 963,159.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,706,959.66 : 2,560,820.80 = 642,010.95 : x
  2. Step 2: Convert to fraction form
    1,706,959.66/2,560,820.80 = 642,010.95/x
  3. Step 3: Cross multiply
    1,706,959.66x = 2,560,820.80 × 642,010.95
  4. Step 4: Simplify right side
    1,706,959.66x = 1,644,074,978,573.60
  5. Step 5: Solve for x
    x = 1,644,074,978,573.60/1,706,959.66
  6. Step 6: Final answer
    x = 963,159.83

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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.