Home / 1,157,376.80-1,736,065.20-399,216.80

Finding the Fourth Proportional to 1,157,376.80, 1,736,065.20 and 399,216.80

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Solution

The fourth proportional to 1,157,376.80, 1,736,065.20 and 399,216.80 is: 598,825.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,157,376.80 : 1,736,065.20 = 399,216.80 : x
  2. Step 2: Convert to fraction form
    1,157,376.80/1,736,065.20 = 399,216.80/x
  3. Step 3: Cross multiply
    1,157,376.80x = 1,736,065.20 × 399,216.80
  4. Step 4: Simplify right side
    1,157,376.80x = 693,066,393,735.36
  5. Step 5: Solve for x
    x = 693,066,393,735.36/1,157,376.80
  6. Step 6: Final answer
    x = 598,825.20

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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.