Home / 1,047,422.07-1,571,131.02-289,261.59

Finding the Fourth Proportional to 1,047,422.07, 1,571,131.02 and 289,261.59

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Solution

The fourth proportional to 1,047,422.07, 1,571,131.02 and 289,261.59 is: 433,891.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,047,422.07 : 1,571,131.02 = 289,261.59 : x
  2. Step 2: Convert to fraction form
    1,047,422.07/1,571,131.02 = 289,261.59/x
  3. Step 3: Cross multiply
    1,047,422.07x = 1,571,131.02 × 289,261.59
  4. Step 4: Simplify right side
    1,047,422.07x = 454,467,856,943.52
  5. Step 5: Solve for x
    x = 454,467,856,943.52/1,047,422.07
  6. Step 6: Final answer
    x = 433,891.81

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Double scale
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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.