Home / 1,322,776.59-1,825,378.50-778,935.30

Finding the Fourth Proportional to 1,322,776.59, 1,825,378.50 and 778,935.30

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Solution

The fourth proportional to 1,322,776.59, 1,825,378.50 and 778,935.30 is: 1,074,899.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,322,776.59 : 1,825,378.50 = 778,935.30 : x
  2. Step 2: Convert to fraction form
    1,322,776.59/1,825,378.50 = 778,935.30/x
  3. Step 3: Cross multiply
    1,322,776.59x = 1,825,378.50 × 778,935.30
  4. Step 4: Simplify right side
    1,322,776.59x = 1,421,851,749,511.05
  5. Step 5: Solve for x
    x = 1,421,851,749,511.05/1,322,776.59
  6. Step 6: Final answer
    x = 1,074,899.39

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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.