Home / 1,070,294.51-1,605,677.92-312,195.30

Finding the Fourth Proportional to 1,070,294.51, 1,605,677.92 and 312,195.30

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Solution

The fourth proportional to 1,070,294.51, 1,605,677.92 and 312,195.30 is: 468,361.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070,294.51 : 1,605,677.92 = 312,195.30 : x
  2. Step 2: Convert to fraction form
    1,070,294.51/1,605,677.92 = 312,195.30/x
  3. Step 3: Cross multiply
    1,070,294.51x = 1,605,677.92 × 312,195.30
  4. Step 4: Simplify right side
    1,070,294.51x = 501,285,093,136.00
  5. Step 5: Solve for x
    x = 501,285,093,136.00/1,070,294.51
  6. Step 6: Final answer
    x = 468,361.83

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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.