Home / 1,174,796.46-1,621,479.87-665,779.50

Finding the Fourth Proportional to 1,174,796.46, 1,621,479.87 and 665,779.50

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Solution

The fourth proportional to 1,174,796.46, 1,621,479.87 and 665,779.50 is: 918,923.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,174,796.46 : 1,621,479.87 = 665,779.50 : x
  2. Step 2: Convert to fraction form
    1,174,796.46/1,621,479.87 = 665,779.50/x
  3. Step 3: Cross multiply
    1,174,796.46x = 1,621,479.87 × 665,779.50
  4. Step 4: Simplify right side
    1,174,796.46x = 1,079,548,057,108.67
  5. Step 5: Solve for x
    x = 1,079,548,057,108.67/1,174,796.46
  6. Step 6: Final answer
    x = 918,923.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.