Home / 1,724,580.71-2,379,923.74-939,642.72

Finding the Fourth Proportional to 1,724,580.71, 2,379,923.74 and 939,642.72

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Solution

The fourth proportional to 1,724,580.71, 2,379,923.74 and 939,642.72 is: 1,296,708.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,724,580.71 : 2,379,923.74 = 939,642.72 : x
  2. Step 2: Convert to fraction form
    1,724,580.71/2,379,923.74 = 939,642.72/x
  3. Step 3: Cross multiply
    1,724,580.71x = 2,379,923.74 × 939,642.72
  4. Step 4: Simplify right side
    1,724,580.71x = 2,236,278,016,446.17
  5. Step 5: Solve for x
    x = 2,236,278,016,446.17/1,724,580.71
  6. Step 6: Final answer
    x = 1,296,708.24

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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.