Home / 1,640,795.76-2,461,193.64-442,718.10

Finding the Fourth Proportional to 1,640,795.76, 2,461,193.64 and 442,718.10

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Solution

The fourth proportional to 1,640,795.76, 2,461,193.64 and 442,718.10 is: 664,077.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,640,795.76 : 2,461,193.64 = 442,718.10 : x
  2. Step 2: Convert to fraction form
    1,640,795.76/2,461,193.64 = 442,718.10/x
  3. Step 3: Cross multiply
    1,640,795.76x = 2,461,193.64 × 442,718.10
  4. Step 4: Simplify right side
    1,640,795.76x = 1,089,614,972,032.88
  5. Step 5: Solve for x
    x = 1,089,614,972,032.88/1,640,795.76
  6. Step 6: Final answer
    x = 664,077.15

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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.