Home / 1,373,137.76-1,895,126.28-761,426.57

Finding the Fourth Proportional to 1,373,137.76, 1,895,126.28 and 761,426.57

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Solution

The fourth proportional to 1,373,137.76, 1,895,126.28 and 761,426.57 is: 1,050,877.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,373,137.76 : 1,895,126.28 = 761,426.57 : x
  2. Step 2: Convert to fraction form
    1,373,137.76/1,895,126.28 = 761,426.57/x
  3. Step 3: Cross multiply
    1,373,137.76x = 1,895,126.28 × 761,426.57
  4. Step 4: Simplify right side
    1,373,137.76x = 1,442,999,503,097.26
  5. Step 5: Solve for x
    x = 1,442,999,503,097.26/1,373,137.76
  6. Step 6: Final answer
    x = 1,050,877.45

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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.