Home / 1,345,852.90-2,018,086.80-399,100.60

Finding the Fourth Proportional to 1,345,852.90, 2,018,086.80 and 399,100.60

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Solution

The fourth proportional to 1,345,852.90, 2,018,086.80 and 399,100.60 is: 598,445.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,852.90 : 2,018,086.80 = 399,100.60 : x
  2. Step 2: Convert to fraction form
    1,345,852.90/2,018,086.80 = 399,100.60/x
  3. Step 3: Cross multiply
    1,345,852.90x = 2,018,086.80 × 399,100.60
  4. Step 4: Simplify right side
    1,345,852.90x = 805,419,652,732.08
  5. Step 5: Solve for x
    x = 805,419,652,732.08/1,345,852.90
  6. Step 6: Final answer
    x = 598,445.53

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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.