Home / 1,369,479.60-2,055,904.20-864,039.60

Finding the Fourth Proportional to 1,369,479.60, 2,055,904.20 and 864,039.60

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Solution

The fourth proportional to 1,369,479.60, 2,055,904.20 and 864,039.60 is: 1,297,122.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,369,479.60 : 2,055,904.20 = 864,039.60 : x
  2. Step 2: Convert to fraction form
    1,369,479.60/2,055,904.20 = 864,039.60/x
  3. Step 3: Cross multiply
    1,369,479.60x = 2,055,904.20 × 864,039.60
  4. Step 4: Simplify right side
    1,369,479.60x = 1,776,382,642,606.32
  5. Step 5: Solve for x
    x = 1,776,382,642,606.32/1,369,479.60
  6. Step 6: Final answer
    x = 1,297,122.38

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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.