Home / 990,444.96-1,486,515.80-982,989.76

Finding the Fourth Proportional to 990,444.96, 1,486,515.80 and 982,989.76

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Solution

The fourth proportional to 990,444.96, 1,486,515.80 and 982,989.76 is: 1,475,326.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,444.96 : 1,486,515.80 = 982,989.76 : x
  2. Step 2: Convert to fraction form
    990,444.96/1,486,515.80 = 982,989.76/x
  3. Step 3: Cross multiply
    990,444.96x = 1,486,515.80 × 982,989.76
  4. Step 4: Simplify right side
    990,444.96x = 1,461,229,809,478.21
  5. Step 5: Solve for x
    x = 1,461,229,809,478.21/990,444.96
  6. Step 6: Final answer
    x = 1,475,326.61

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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.