Home / 1,422,956.58-1,963,654.29-778,371.14

Finding the Fourth Proportional to 1,422,956.58, 1,963,654.29 and 778,371.14

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Solution

The fourth proportional to 1,422,956.58, 1,963,654.29 and 778,371.14 is: 1,074,138.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,422,956.58 : 1,963,654.29 = 778,371.14 : x
  2. Step 2: Convert to fraction form
    1,422,956.58/1,963,654.29 = 778,371.14/x
  3. Step 3: Cross multiply
    1,422,956.58x = 1,963,654.29 × 778,371.14
  4. Step 4: Simplify right side
    1,422,956.58x = 1,528,451,828,273.19
  5. Step 5: Solve for x
    x = 1,528,451,828,273.19/1,422,956.58
  6. Step 6: Final answer
    x = 1,074,138.07

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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.