Home / 1,458,699.20-2,188,048.80-512,165.60

Finding the Fourth Proportional to 1,458,699.20, 2,188,048.80 and 512,165.60

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Solution

The fourth proportional to 1,458,699.20, 2,188,048.80 and 512,165.60 is: 768,248.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,458,699.20 : 2,188,048.80 = 512,165.60 : x
  2. Step 2: Convert to fraction form
    1,458,699.20/2,188,048.80 = 512,165.60/x
  3. Step 3: Cross multiply
    1,458,699.20x = 2,188,048.80 × 512,165.60
  4. Step 4: Simplify right side
    1,458,699.20x = 1,120,643,326,481.28
  5. Step 5: Solve for x
    x = 1,120,643,326,481.28/1,458,699.20
  6. Step 6: Final answer
    x = 768,248.40

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1.5x scale

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.