Home / 1,310,761.44-1,966,141.35-749,402.28

Finding the Fourth Proportional to 1,310,761.44, 1,966,141.35 and 749,402.28

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Solution

The fourth proportional to 1,310,761.44, 1,966,141.35 and 749,402.28 is: 1,124,102.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,310,761.44 : 1,966,141.35 = 749,402.28 : x
  2. Step 2: Convert to fraction form
    1,310,761.44/1,966,141.35 = 749,402.28/x
  3. Step 3: Cross multiply
    1,310,761.44x = 1,966,141.35 × 749,402.28
  4. Step 4: Simplify right side
    1,310,761.44x = 1,473,430,810,492.28
  5. Step 5: Solve for x
    x = 1,473,430,810,492.28/1,310,761.44
  6. Step 6: Final answer
    x = 1,124,102.96

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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.