Home / 1,009,288.86-1,513,960.62-251,099.70

Finding the Fourth Proportional to 1,009,288.86, 1,513,960.62 and 251,099.70

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Solution

The fourth proportional to 1,009,288.86, 1,513,960.62 and 251,099.70 is: 376,656.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,288.86 : 1,513,960.62 = 251,099.70 : x
  2. Step 2: Convert to fraction form
    1,009,288.86/1,513,960.62 = 251,099.70/x
  3. Step 3: Cross multiply
    1,009,288.86x = 1,513,960.62 × 251,099.70
  4. Step 4: Simplify right side
    1,009,288.86x = 380,155,057,493.81
  5. Step 5: Solve for x
    x = 380,155,057,493.81/1,009,288.86
  6. Step 6: Final answer
    x = 376,656.35

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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.