Home / 1,385,831.18-2,065,936.61-1,363,992.23

Finding the Fourth Proportional to 1,385,831.18, 2,065,936.61 and 1,363,992.23

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Solution

The fourth proportional to 1,385,831.18, 2,065,936.61 and 1,363,992.23 is: 2,033,380.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,385,831.18 : 2,065,936.61 = 1,363,992.23 : x
  2. Step 2: Convert to fraction form
    1,385,831.18/2,065,936.61 = 1,363,992.23/x
  3. Step 3: Cross multiply
    1,385,831.18x = 2,065,936.61 × 1,363,992.23
  4. Step 4: Simplify right side
    1,385,831.18x = 2,817,921,466,562.90
  5. Step 5: Solve for x
    x = 2,817,921,466,562.90/1,385,831.18
  6. Step 6: Final answer
    x = 2,033,380.05

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.