Home / 1,621,182.32-2,429,670.32-660,520.80

Finding the Fourth Proportional to 1,621,182.32, 2,429,670.32 and 660,520.80

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Solution

The fourth proportional to 1,621,182.32, 2,429,670.32 and 660,520.80 is: 989,924.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,621,182.32 : 2,429,670.32 = 660,520.80 : x
  2. Step 2: Convert to fraction form
    1,621,182.32/2,429,670.32 = 660,520.80/x
  3. Step 3: Cross multiply
    1,621,182.32x = 2,429,670.32 × 660,520.80
  4. Step 4: Simplify right side
    1,621,182.32x = 1,604,847,783,502.66
  5. Step 5: Solve for x
    x = 1,604,847,783,502.66/1,621,182.32
  6. Step 6: Final answer
    x = 989,924.31

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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.