Home / 1,276,926.73-1,762,171.15-703,987.40

Finding the Fourth Proportional to 1,276,926.73, 1,762,171.15 and 703,987.40

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Solution

The fourth proportional to 1,276,926.73, 1,762,171.15 and 703,987.40 is: 971,509.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,926.73 : 1,762,171.15 = 703,987.40 : x
  2. Step 2: Convert to fraction form
    1,276,926.73/1,762,171.15 = 703,987.40/x
  3. Step 3: Cross multiply
    1,276,926.73x = 1,762,171.15 × 703,987.40
  4. Step 4: Simplify right side
    1,276,926.73x = 1,240,546,290,208.95
  5. Step 5: Solve for x
    x = 1,240,546,290,208.95/1,276,926.73
  6. Step 6: Final answer
    x = 971,509.38

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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.