Home / 1,215,081.47-1,820,625.18-415,927.06

Finding the Fourth Proportional to 1,215,081.47, 1,820,625.18 and 415,927.06

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Solution

The fourth proportional to 1,215,081.47, 1,820,625.18 and 415,927.06 is: 623,207.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,081.47 : 1,820,625.18 = 415,927.06 : x
  2. Step 2: Convert to fraction form
    1,215,081.47/1,820,625.18 = 415,927.06/x
  3. Step 3: Cross multiply
    1,215,081.47x = 1,820,625.18 × 415,927.06
  4. Step 4: Simplify right side
    1,215,081.47x = 757,247,273,927.81
  5. Step 5: Solve for x
    x = 757,247,273,927.81/1,215,081.47
  6. Step 6: Final answer
    x = 623,207.00

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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.