Home / 1,298,057.04-1,947,782.61-540,421.47

Finding the Fourth Proportional to 1,298,057.04, 1,947,782.61 and 540,421.47

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Solution

The fourth proportional to 1,298,057.04, 1,947,782.61 and 540,421.47 is: 810,922.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,057.04 : 1,947,782.61 = 540,421.47 : x
  2. Step 2: Convert to fraction form
    1,298,057.04/1,947,782.61 = 540,421.47/x
  3. Step 3: Cross multiply
    1,298,057.04x = 1,947,782.61 × 540,421.47
  4. Step 4: Simplify right side
    1,298,057.04x = 1,052,623,541,336.64
  5. Step 5: Solve for x
    x = 1,052,623,541,336.64/1,298,057.04
  6. Step 6: Final answer
    x = 810,922.41

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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.