Home / 986,935.28-1,480,303.29-669,127.73

Finding the Fourth Proportional to 986,935.28, 1,480,303.29 and 669,127.73

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Solution

The fourth proportional to 986,935.28, 1,480,303.29 and 669,127.73 is: 1,003,624.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,935.28 : 1,480,303.29 = 669,127.73 : x
  2. Step 2: Convert to fraction form
    986,935.28/1,480,303.29 = 669,127.73/x
  3. Step 3: Cross multiply
    986,935.28x = 1,480,303.29 × 669,127.73
  4. Step 4: Simplify right side
    986,935.28x = 990,511,980,149.23
  5. Step 5: Solve for x
    x = 990,511,980,149.23/986,935.28
  6. Step 6: Final answer
    x = 1,003,624.05

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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.