Home / 1,322,608.48-1,825,206.96-778,768

Finding the Fourth Proportional to 1,322,608.48, 1,825,206.96 and 778,768

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Solution

The fourth proportional to 1,322,608.48, 1,825,206.96 and 778,768 is: 1,074,704.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,322,608.48 : 1,825,206.96 = 778,768 : x
  2. Step 2: Convert to fraction form
    1,322,608.48/1,825,206.96 = 778,768/x
  3. Step 3: Cross multiply
    1,322,608.48x = 1,825,206.96 × 778,768
  4. Step 4: Simplify right side
    1,322,608.48x = 1,421,412,773,825.28
  5. Step 5: Solve for x
    x = 1,421,412,773,825.28/1,322,608.48
  6. Step 6: Final answer
    x = 1,074,704.11

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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.