Home / 1,107,608.02-1,661,411.86-266,159.78

Finding the Fourth Proportional to 1,107,608.02, 1,661,411.86 and 266,159.78

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Solution

The fourth proportional to 1,107,608.02, 1,661,411.86 and 266,159.78 is: 399,239.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,608.02 : 1,661,411.86 = 266,159.78 : x
  2. Step 2: Convert to fraction form
    1,107,608.02/1,661,411.86 = 266,159.78/x
  3. Step 3: Cross multiply
    1,107,608.02x = 1,661,411.86 × 266,159.78
  4. Step 4: Simplify right side
    1,107,608.02x = 442,201,015,146.99
  5. Step 5: Solve for x
    x = 442,201,015,146.99/1,107,608.02
  6. Step 6: Final answer
    x = 399,239.63

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1.5x scale

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.