Home / 1,422,956.08-1,963,653.60-778,370.64

Finding the Fourth Proportional to 1,422,956.08, 1,963,653.60 and 778,370.64

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Solution

The fourth proportional to 1,422,956.08, 1,963,653.60 and 778,370.64 is: 1,074,137.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,422,956.08 : 1,963,653.60 = 778,370.64 : x
  2. Step 2: Convert to fraction form
    1,422,956.08/1,963,653.60 = 778,370.64/x
  3. Step 3: Cross multiply
    1,422,956.08x = 1,963,653.60 × 778,370.64
  4. Step 4: Simplify right side
    1,422,956.08x = 1,528,450,299,552.04
  5. Step 5: Solve for x
    x = 1,528,450,299,552.04/1,422,956.08
  6. Step 6: Final answer
    x = 1,074,137.37

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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.