Home / 1,430,629.64-2,145,611.52-532,494.34

Finding the Fourth Proportional to 1,430,629.64, 2,145,611.52 and 532,494.34

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Solution

The fourth proportional to 1,430,629.64, 2,145,611.52 and 532,494.34 is: 798,617.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,430,629.64 : 2,145,611.52 = 532,494.34 : x
  2. Step 2: Convert to fraction form
    1,430,629.64/2,145,611.52 = 532,494.34/x
  3. Step 3: Cross multiply
    1,430,629.64x = 2,145,611.52 × 532,494.34
  4. Step 4: Simplify right side
    1,430,629.64x = 1,142,525,990,238.80
  5. Step 5: Solve for x
    x = 1,142,525,990,238.80/1,430,629.64
  6. Step 6: Final answer
    x = 798,617.59

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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.