Home / 851,364.81-1,277,878.28-703,115.37

Finding the Fourth Proportional to 851,364.81, 1,277,878.28 and 703,115.37

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Solution

The fourth proportional to 851,364.81, 1,277,878.28 and 703,115.37 is: 1,055,359.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,364.81 : 1,277,878.28 = 703,115.37 : x
  2. Step 2: Convert to fraction form
    851,364.81/1,277,878.28 = 703,115.37/x
  3. Step 3: Cross multiply
    851,364.81x = 1,277,878.28 × 703,115.37
  4. Step 4: Simplify right side
    851,364.81x = 898,495,856,141.59
  5. Step 5: Solve for x
    x = 898,495,856,141.59/851,364.81
  6. Step 6: Final answer
    x = 1,055,359.40

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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.