Home / 1,086,406.74-1,499,516.89-742,381.92

Finding the Fourth Proportional to 1,086,406.74, 1,499,516.89 and 742,381.92

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Solution

The fourth proportional to 1,086,406.74, 1,499,516.89 and 742,381.92 is: 1,024,675.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,406.74 : 1,499,516.89 = 742,381.92 : x
  2. Step 2: Convert to fraction form
    1,086,406.74/1,499,516.89 = 742,381.92/x
  3. Step 3: Cross multiply
    1,086,406.74x = 1,499,516.89 × 742,381.92
  4. Step 4: Simplify right side
    1,086,406.74x = 1,113,214,226,014.67
  5. Step 5: Solve for x
    x = 1,113,214,226,014.67/1,086,406.74
  6. Step 6: Final answer
    x = 1,024,675.37

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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.