Home / 1,808,115.13-2,712,172.70-858,607.21

Finding the Fourth Proportional to 1,808,115.13, 2,712,172.70 and 858,607.21

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Solution

The fourth proportional to 1,808,115.13, 2,712,172.70 and 858,607.21 is: 1,287,910.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,808,115.13 : 2,712,172.70 = 858,607.21 : x
  2. Step 2: Convert to fraction form
    1,808,115.13/2,712,172.70 = 858,607.21/x
  3. Step 3: Cross multiply
    1,808,115.13x = 2,712,172.70 × 858,607.21
  4. Step 4: Simplify right side
    1,808,115.13x = 2,328,691,034,985.17
  5. Step 5: Solve for x
    x = 2,328,691,034,985.17/1,808,115.13
  6. Step 6: Final answer
    x = 1,287,910.82

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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.