Home / 1,742,688.48-2,404,976.43-968,376.78

Finding the Fourth Proportional to 1,742,688.48, 2,404,976.43 and 968,376.78

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Solution

The fourth proportional to 1,742,688.48, 2,404,976.43 and 968,376.78 is: 1,336,396.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,742,688.48 : 2,404,976.43 = 968,376.78 : x
  2. Step 2: Convert to fraction form
    1,742,688.48/2,404,976.43 = 968,376.78/x
  3. Step 3: Cross multiply
    1,742,688.48x = 2,404,976.43 × 968,376.78
  4. Step 4: Simplify right side
    1,742,688.48x = 2,328,923,331,259.30
  5. Step 5: Solve for x
    x = 2,328,923,331,259.30/1,742,688.48
  6. Step 6: Final answer
    x = 1,336,396.81

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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.