Home / 986,943.30-1,480,998.15-720,032.10

Finding the Fourth Proportional to 986,943.30, 1,480,998.15 and 720,032.10

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Solution

The fourth proportional to 986,943.30, 1,480,998.15 and 720,032.10 is: 1,080,473.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,943.30 : 1,480,998.15 = 720,032.10 : x
  2. Step 2: Convert to fraction form
    986,943.30/1,480,998.15 = 720,032.10/x
  3. Step 3: Cross multiply
    986,943.30x = 1,480,998.15 × 720,032.10
  4. Step 4: Simplify right side
    986,943.30x = 1,066,366,208,040.61
  5. Step 5: Solve for x
    x = 1,066,366,208,040.61/986,943.30
  6. Step 6: Final answer
    x = 1,080,473.63

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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.