Home / 1,215,083.53-1,820,628.27-415,929.13

Finding the Fourth Proportional to 1,215,083.53, 1,820,628.27 and 415,929.13

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Solution

The fourth proportional to 1,215,083.53, 1,820,628.27 and 415,929.13 is: 623,210.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,083.53 : 1,820,628.27 = 415,929.13 : x
  2. Step 2: Convert to fraction form
    1,215,083.53/1,820,628.27 = 415,929.13/x
  3. Step 3: Cross multiply
    1,215,083.53x = 1,820,628.27 × 415,929.13
  4. Step 4: Simplify right side
    1,215,083.53x = 757,252,327,842.94
  5. Step 5: Solve for x
    x = 757,252,327,842.94/1,215,083.53
  6. Step 6: Final answer
    x = 623,210.10

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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.