Home / 1,422,832.13-1,963,466.73-778,238.48

Finding the Fourth Proportional to 1,422,832.13, 1,963,466.73 and 778,238.48

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Solution

The fourth proportional to 1,422,832.13, 1,963,466.73 and 778,238.48 is: 1,073,946.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,422,832.13 : 1,963,466.73 = 778,238.48 : x
  2. Step 2: Convert to fraction form
    1,422,832.13/1,963,466.73 = 778,238.48/x
  3. Step 3: Cross multiply
    1,422,832.13x = 1,963,466.73 × 778,238.48
  4. Step 4: Simplify right side
    1,422,832.13x = 1,528,045,368,394.44
  5. Step 5: Solve for x
    x = 1,528,045,368,394.44/1,422,832.13
  6. Step 6: Final answer
    x = 1,073,946.35

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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.