Home / 1,322,807.63-1,825,421.67-778,966.34

Finding the Fourth Proportional to 1,322,807.63, 1,825,421.67 and 778,966.34

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Solution

The fourth proportional to 1,322,807.63, 1,825,421.67 and 778,966.34 is: 1,074,942.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,322,807.63 : 1,825,421.67 = 778,966.34 : x
  2. Step 2: Convert to fraction form
    1,322,807.63/1,825,421.67 = 778,966.34/x
  3. Step 3: Cross multiply
    1,322,807.63x = 1,825,421.67 × 778,966.34
  4. Step 4: Simplify right side
    1,322,807.63x = 1,421,942,028,109.48
  5. Step 5: Solve for x
    x = 1,421,942,028,109.48/1,322,807.63
  6. Step 6: Final answer
    x = 1,074,942.42

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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.