Home / 1,085,415.32-1,496,496.58-775,687.84

Finding the Fourth Proportional to 1,085,415.32, 1,496,496.58 and 775,687.84

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Solution

The fourth proportional to 1,085,415.32, 1,496,496.58 and 775,687.84 is: 1,069,465.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,415.32 : 1,496,496.58 = 775,687.84 : x
  2. Step 2: Convert to fraction form
    1,085,415.32/1,496,496.58 = 775,687.84/x
  3. Step 3: Cross multiply
    1,085,415.32x = 1,496,496.58 × 775,687.84
  4. Step 4: Simplify right side
    1,085,415.32x = 1,160,814,199,707.59
  5. Step 5: Solve for x
    x = 1,160,814,199,707.59/1,085,415.32
  6. Step 6: Final answer
    x = 1,069,465.46

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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.