Home / 1,217,147.15-1,825,886.79-507,009.11

Finding the Fourth Proportional to 1,217,147.15, 1,825,886.79 and 507,009.11

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Solution

The fourth proportional to 1,217,147.15, 1,825,886.79 and 507,009.11 is: 760,582.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,147.15 : 1,825,886.79 = 507,009.11 : x
  2. Step 2: Convert to fraction form
    1,217,147.15/1,825,886.79 = 507,009.11/x
  3. Step 3: Cross multiply
    1,217,147.15x = 1,825,886.79 × 507,009.11
  4. Step 4: Simplify right side
    1,217,147.15x = 925,741,236,358.66
  5. Step 5: Solve for x
    x = 925,741,236,358.66/1,217,147.15
  6. Step 6: Final answer
    x = 760,582.84

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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.