Home / 1,284,086.07-1,772,070.84-703,340.98

Finding the Fourth Proportional to 1,284,086.07, 1,772,070.84 and 703,340.98

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Solution

The fourth proportional to 1,284,086.07, 1,772,070.84 and 703,340.98 is: 970,628.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,086.07 : 1,772,070.84 = 703,340.98 : x
  2. Step 2: Convert to fraction form
    1,284,086.07/1,772,070.84 = 703,340.98/x
  3. Step 3: Cross multiply
    1,284,086.07x = 1,772,070.84 × 703,340.98
  4. Step 4: Simplify right side
    1,284,086.07x = 1,246,370,034,167.32
  5. Step 5: Solve for x
    x = 1,246,370,034,167.32/1,284,086.07
  6. Step 6: Final answer
    x = 970,628.11

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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.