Home / 1,212,012.40-1,816,463.40-579,564.40

Finding the Fourth Proportional to 1,212,012.40, 1,816,463.40 and 579,564.40

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Solution

The fourth proportional to 1,212,012.40, 1,816,463.40 and 579,564.40 is: 868,602.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,012.40 : 1,816,463.40 = 579,564.40 : x
  2. Step 2: Convert to fraction form
    1,212,012.40/1,816,463.40 = 579,564.40/x
  3. Step 3: Cross multiply
    1,212,012.40x = 1,816,463.40 × 579,564.40
  4. Step 4: Simplify right side
    1,212,012.40x = 1,052,757,520,542.96
  5. Step 5: Solve for x
    x = 1,052,757,520,542.96/1,212,012.40
  6. Step 6: Final answer
    x = 868,602.93

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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.