Home / 1,009,264.86-1,511,438.03-667,500.08

Finding the Fourth Proportional to 1,009,264.86, 1,511,438.03 and 667,500.08

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Solution

The fourth proportional to 1,009,264.86, 1,511,438.03 and 667,500.08 is: 999,623.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,264.86 : 1,511,438.03 = 667,500.08 : x
  2. Step 2: Convert to fraction form
    1,009,264.86/1,511,438.03 = 667,500.08/x
  3. Step 3: Cross multiply
    1,009,264.86x = 1,511,438.03 × 667,500.08
  4. Step 4: Simplify right side
    1,009,264.86x = 1,008,884,997,548.48
  5. Step 5: Solve for x
    x = 1,008,884,997,548.48/1,009,264.86
  6. Step 6: Final answer
    x = 999,623.62

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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.