Home / 1,432,476.15-1,976,807.33-812,398.22

Finding the Fourth Proportional to 1,432,476.15, 1,976,807.33 and 812,398.22

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Solution

The fourth proportional to 1,432,476.15, 1,976,807.33 and 812,398.22 is: 1,121,104.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432,476.15 : 1,976,807.33 = 812,398.22 : x
  2. Step 2: Convert to fraction form
    1,432,476.15/1,976,807.33 = 812,398.22/x
  3. Step 3: Cross multiply
    1,432,476.15x = 1,976,807.33 × 812,398.22
  4. Step 4: Simplify right side
    1,432,476.15x = 1,605,954,756,174.95
  5. Step 5: Solve for x
    x = 1,605,954,756,174.95/1,432,476.15
  6. Step 6: Final answer
    x = 1,121,104.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.