Home / 1,427,823.36-2,141,057.52-828,970.56

Finding the Fourth Proportional to 1,427,823.36, 2,141,057.52 and 828,970.56

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Solution

The fourth proportional to 1,427,823.36, 2,141,057.52 and 828,970.56 is: 1,243,062.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427,823.36 : 2,141,057.52 = 828,970.56 : x
  2. Step 2: Convert to fraction form
    1,427,823.36/2,141,057.52 = 828,970.56/x
  3. Step 3: Cross multiply
    1,427,823.36x = 2,141,057.52 × 828,970.56
  4. Step 4: Simplify right side
    1,427,823.36x = 1,774,873,651,346.61
  5. Step 5: Solve for x
    x = 1,774,873,651,346.61/1,427,823.36
  6. Step 6: Final answer
    x = 1,243,062.48

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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.