Home / 1,405,253.86-1,939,248.73-760,673.88

Finding the Fourth Proportional to 1,405,253.86, 1,939,248.73 and 760,673.88

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Solution

The fourth proportional to 1,405,253.86, 1,939,248.73 and 760,673.88 is: 1,049,729.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,253.86 : 1,939,248.73 = 760,673.88 : x
  2. Step 2: Convert to fraction form
    1,405,253.86/1,939,248.73 = 760,673.88/x
  3. Step 3: Cross multiply
    1,405,253.86x = 1,939,248.73 × 760,673.88
  4. Step 4: Simplify right side
    1,405,253.86x = 1,475,135,855,734.17
  5. Step 5: Solve for x
    x = 1,475,135,855,734.17/1,405,253.86
  6. Step 6: Final answer
    x = 1,049,729.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.