Home / 1,478,449.53-2,040,176.61-833,831.28

Finding the Fourth Proportional to 1,478,449.53, 2,040,176.61 and 833,831.28

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Solution

The fourth proportional to 1,478,449.53, 2,040,176.61 and 833,831.28 is: 1,150,639.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,478,449.53 : 2,040,176.61 = 833,831.28 : x
  2. Step 2: Convert to fraction form
    1,478,449.53/2,040,176.61 = 833,831.28/x
  3. Step 3: Cross multiply
    1,478,449.53x = 2,040,176.61 × 833,831.28
  4. Step 4: Simplify right side
    1,478,449.53x = 1,701,163,074,142.36
  5. Step 5: Solve for x
    x = 1,701,163,074,142.36/1,478,449.53
  6. Step 6: Final answer
    x = 1,150,639.94

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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.