Home / 1,080,529.32-1,620,863.10-415,681.32

Finding the Fourth Proportional to 1,080,529.32, 1,620,863.10 and 415,681.32

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Solution

The fourth proportional to 1,080,529.32, 1,620,863.10 and 415,681.32 is: 623,548.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,080,529.32 : 1,620,863.10 = 415,681.32 : x
  2. Step 2: Convert to fraction form
    1,080,529.32/1,620,863.10 = 415,681.32/x
  3. Step 3: Cross multiply
    1,080,529.32x = 1,620,863.10 × 415,681.32
  4. Step 4: Simplify right side
    1,080,529.32x = 673,762,512,947.29
  5. Step 5: Solve for x
    x = 673,762,512,947.29/1,080,529.32
  6. Step 6: Final answer
    x = 623,548.57

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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.