Home / 1,186,226.17-1,778,971.24-427,969.07

Finding the Fourth Proportional to 1,186,226.17, 1,778,971.24 and 427,969.07

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Solution

The fourth proportional to 1,186,226.17, 1,778,971.24 and 427,969.07 is: 641,820.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,226.17 : 1,778,971.24 = 427,969.07 : x
  2. Step 2: Convert to fraction form
    1,186,226.17/1,778,971.24 = 427,969.07/x
  3. Step 3: Cross multiply
    1,186,226.17x = 1,778,971.24 × 427,969.07
  4. Step 4: Simplify right side
    1,186,226.17x = 761,344,667,139.55
  5. Step 5: Solve for x
    x = 761,344,667,139.55/1,186,226.17
  6. Step 6: Final answer
    x = 641,820.83

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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.