Home / 1,360,801.68-1,877,784.32-787,880.64

Finding the Fourth Proportional to 1,360,801.68, 1,877,784.32 and 787,880.64

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Solution

The fourth proportional to 1,360,801.68, 1,877,784.32 and 787,880.64 is: 1,087,204.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,360,801.68 : 1,877,784.32 = 787,880.64 : x
  2. Step 2: Convert to fraction form
    1,360,801.68/1,877,784.32 = 787,880.64/x
  3. Step 3: Cross multiply
    1,360,801.68x = 1,877,784.32 × 787,880.64
  4. Step 4: Simplify right side
    1,360,801.68x = 1,479,469,911,823.57
  5. Step 5: Solve for x
    x = 1,479,469,911,823.57/1,360,801.68
  6. Step 6: Final answer
    x = 1,087,204.65

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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.