Home / 1,064,555.20-1,597,999.20-665,646.40

Finding the Fourth Proportional to 1,064,555.20, 1,597,999.20 and 665,646.40

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Solution

The fourth proportional to 1,064,555.20, 1,597,999.20 and 665,646.40 is: 999,198.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,064,555.20 : 1,597,999.20 = 665,646.40 : x
  2. Step 2: Convert to fraction form
    1,064,555.20/1,597,999.20 = 665,646.40/x
  3. Step 3: Cross multiply
    1,064,555.20x = 1,597,999.20 × 665,646.40
  4. Step 4: Simplify right side
    1,064,555.20x = 1,063,702,414,682.88
  5. Step 5: Solve for x
    x = 1,063,702,414,682.88/1,064,555.20
  6. Step 6: Final answer
    x = 999,198.93

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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.