Home / 1,322,815.17-1,825,431.98-778,973.88

Finding the Fourth Proportional to 1,322,815.17, 1,825,431.98 and 778,973.88

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Solution

The fourth proportional to 1,322,815.17, 1,825,431.98 and 778,973.88 is: 1,074,952.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,322,815.17 : 1,825,431.98 = 778,973.88 : x
  2. Step 2: Convert to fraction form
    1,322,815.17/1,825,431.98 = 778,973.88/x
  3. Step 3: Cross multiply
    1,322,815.17x = 1,825,431.98 × 778,973.88
  4. Step 4: Simplify right side
    1,322,815.17x = 1,421,963,828,241.81
  5. Step 5: Solve for x
    x = 1,421,963,828,241.81/1,322,815.17
  6. Step 6: Final answer
    x = 1,074,952.77

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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.