Home / 1,231,637.60-1,847,456.40-808,623.20

Finding the Fourth Proportional to 1,231,637.60, 1,847,456.40 and 808,623.20

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Solution

The fourth proportional to 1,231,637.60, 1,847,456.40 and 808,623.20 is: 1,212,934.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,637.60 : 1,847,456.40 = 808,623.20 : x
  2. Step 2: Convert to fraction form
    1,231,637.60/1,847,456.40 = 808,623.20/x
  3. Step 3: Cross multiply
    1,231,637.60x = 1,847,456.40 × 808,623.20
  4. Step 4: Simplify right side
    1,231,637.60x = 1,493,896,106,028.48
  5. Step 5: Solve for x
    x = 1,493,896,106,028.48/1,231,637.60
  6. Step 6: Final answer
    x = 1,212,934.80

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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.