Home / 1,138,716.12-1,571,584.50-655,271.40

Finding the Fourth Proportional to 1,138,716.12, 1,571,584.50 and 655,271.40

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Solution

The fourth proportional to 1,138,716.12, 1,571,584.50 and 655,271.40 is: 904,364.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,716.12 : 1,571,584.50 = 655,271.40 : x
  2. Step 2: Convert to fraction form
    1,138,716.12/1,571,584.50 = 655,271.40/x
  3. Step 3: Cross multiply
    1,138,716.12x = 1,571,584.50 × 655,271.40
  4. Step 4: Simplify right side
    1,138,716.12x = 1,029,814,375,533.30
  5. Step 5: Solve for x
    x = 1,029,814,375,533.30/1,138,716.12
  6. Step 6: Final answer
    x = 904,364.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.