Home / 1,478,400.54-2,216,647.35-579,933.06

Finding the Fourth Proportional to 1,478,400.54, 2,216,647.35 and 579,933.06

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Solution

The fourth proportional to 1,478,400.54, 2,216,647.35 and 579,933.06 is: 869,525.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,478,400.54 : 2,216,647.35 = 579,933.06 : x
  2. Step 2: Convert to fraction form
    1,478,400.54/2,216,647.35 = 579,933.06/x
  3. Step 3: Cross multiply
    1,478,400.54x = 2,216,647.35 × 579,933.06
  4. Step 4: Simplify right side
    1,478,400.54x = 1,285,507,080,626.39
  5. Step 5: Solve for x
    x = 1,285,507,080,626.39/1,478,400.54
  6. Step 6: Final answer
    x = 869,525.58

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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.