Home / 1,009,474.56-1,512,345.60-509,644.80

Finding the Fourth Proportional to 1,009,474.56, 1,512,345.60 and 509,644.80

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Solution

The fourth proportional to 1,009,474.56, 1,512,345.60 and 509,644.80 is: 763,525.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,474.56 : 1,512,345.60 = 509,644.80 : x
  2. Step 2: Convert to fraction form
    1,009,474.56/1,512,345.60 = 509,644.80/x
  3. Step 3: Cross multiply
    1,009,474.56x = 1,512,345.60 × 509,644.80
  4. Step 4: Simplify right side
    1,009,474.56x = 770,759,070,842.88
  5. Step 5: Solve for x
    x = 770,759,070,842.88/1,009,474.56
  6. Step 6: Final answer
    x = 763,525.01

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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.