Home / 1,212,195.70-1,817,127.15-942,174.10

Finding the Fourth Proportional to 1,212,195.70, 1,817,127.15 and 942,174.10

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Solution

The fourth proportional to 1,212,195.70, 1,817,127.15 and 942,174.10 is: 1,412,354.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,195.70 : 1,817,127.15 = 942,174.10 : x
  2. Step 2: Convert to fraction form
    1,212,195.70/1,817,127.15 = 942,174.10/x
  3. Step 3: Cross multiply
    1,212,195.70x = 1,817,127.15 × 942,174.10
  4. Step 4: Simplify right side
    1,212,195.70x = 1,712,050,137,136.82
  5. Step 5: Solve for x
    x = 1,712,050,137,136.82/1,212,195.70
  6. Step 6: Final answer
    x = 1,412,354.57

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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.