Home / 1,212,580.04-1,818,369.62-413,926

Finding the Fourth Proportional to 1,212,580.04, 1,818,369.62 and 413,926

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Solution

The fourth proportional to 1,212,580.04, 1,818,369.62 and 413,926 is: 620,718.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,580.04 : 1,818,369.62 = 413,926 : x
  2. Step 2: Convert to fraction form
    1,212,580.04/1,818,369.62 = 413,926/x
  3. Step 3: Cross multiply
    1,212,580.04x = 1,818,369.62 × 413,926
  4. Step 4: Simplify right side
    1,212,580.04x = 752,670,463,328.12
  5. Step 5: Solve for x
    x = 752,670,463,328.12/1,212,580.04
  6. Step 6: Final answer
    x = 620,718.17

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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.