Home / 1,381,961.98-2,072,843.13-435,603.58

Finding the Fourth Proportional to 1,381,961.98, 2,072,843.13 and 435,603.58

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Solution

The fourth proportional to 1,381,961.98, 2,072,843.13 and 435,603.58 is: 653,373.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,381,961.98 : 2,072,843.13 = 435,603.58 : x
  2. Step 2: Convert to fraction form
    1,381,961.98/2,072,843.13 = 435,603.58/x
  3. Step 3: Cross multiply
    1,381,961.98x = 2,072,843.13 × 435,603.58
  4. Step 4: Simplify right side
    1,381,961.98x = 902,937,888,206.41
  5. Step 5: Solve for x
    x = 902,937,888,206.41/1,381,961.98
  6. Step 6: Final answer
    x = 653,373.90

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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.