Home / 1,118,440.32-1,677,534.88-308,939.80

Finding the Fourth Proportional to 1,118,440.32, 1,677,534.88 and 308,939.80

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Solution

The fourth proportional to 1,118,440.32, 1,677,534.88 and 308,939.80 is: 463,375.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,440.32 : 1,677,534.88 = 308,939.80 : x
  2. Step 2: Convert to fraction form
    1,118,440.32/1,677,534.88 = 308,939.80/x
  3. Step 3: Cross multiply
    1,118,440.32x = 1,677,534.88 × 308,939.80
  4. Step 4: Simplify right side
    1,118,440.32x = 518,257,290,320.22
  5. Step 5: Solve for x
    x = 518,257,290,320.22/1,118,440.32
  6. Step 6: Final answer
    x = 463,375.01

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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.