Home / 990,459.02-1,361,571.10-852,129.48

Finding the Fourth Proportional to 990,459.02, 1,361,571.10 and 852,129.48

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Solution

The fourth proportional to 990,459.02, 1,361,571.10 and 852,129.48 is: 1,171,411.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,459.02 : 1,361,571.10 = 852,129.48 : x
  2. Step 2: Convert to fraction form
    990,459.02/1,361,571.10 = 852,129.48/x
  3. Step 3: Cross multiply
    990,459.02x = 1,361,571.10 × 852,129.48
  4. Step 4: Simplify right side
    990,459.02x = 1,160,234,873,426.03
  5. Step 5: Solve for x
    x = 1,160,234,873,426.03/990,459.02
  6. Step 6: Final answer
    x = 1,171,411.29

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.