Home / 1,284,685.31-1,772,940.15-703,909.64

Finding the Fourth Proportional to 1,284,685.31, 1,772,940.15 and 703,909.64

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Solution

The fourth proportional to 1,284,685.31, 1,772,940.15 and 703,909.64 is: 971,436.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,685.31 : 1,772,940.15 = 703,909.64 : x
  2. Step 2: Convert to fraction form
    1,284,685.31/1,772,940.15 = 703,909.64/x
  3. Step 3: Cross multiply
    1,284,685.31x = 1,772,940.15 × 703,909.64
  4. Step 4: Simplify right side
    1,284,685.31x = 1,247,989,667,160.40
  5. Step 5: Solve for x
    x = 1,247,989,667,160.40/1,284,685.31
  6. Step 6: Final answer
    x = 971,436.08

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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.