Home / 1,009,627.72-1,513,997.90-378,098.66

Finding the Fourth Proportional to 1,009,627.72, 1,513,997.90 and 378,098.66

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Solution

The fourth proportional to 1,009,627.72, 1,513,997.90 and 378,098.66 is: 566,981.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,627.72 : 1,513,997.90 = 378,098.66 : x
  2. Step 2: Convert to fraction form
    1,009,627.72/1,513,997.90 = 378,098.66/x
  3. Step 3: Cross multiply
    1,009,627.72x = 1,513,997.90 × 378,098.66
  4. Step 4: Simplify right side
    1,009,627.72x = 572,440,577,232.81
  5. Step 5: Solve for x
    x = 572,440,577,232.81/1,009,627.72
  6. Step 6: Final answer
    x = 566,981.83

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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.