Home / 1,276,019.61-1,760,985.45-703,059.63

Finding the Fourth Proportional to 1,276,019.61, 1,760,985.45 and 703,059.63

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Solution

The fourth proportional to 1,276,019.61, 1,760,985.45 and 703,059.63 is: 970,265.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,019.61 : 1,760,985.45 = 703,059.63 : x
  2. Step 2: Convert to fraction form
    1,276,019.61/1,760,985.45 = 703,059.63/x
  3. Step 3: Cross multiply
    1,276,019.61x = 1,760,985.45 × 703,059.63
  4. Step 4: Simplify right side
    1,276,019.61x = 1,238,077,778,912.38
  5. Step 5: Solve for x
    x = 1,238,077,778,912.38/1,276,019.61
  6. Step 6: Final answer
    x = 970,265.48

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Why These Related Problems?

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