Home / 1,011,170.22-1,395,406.35-558,451.50

Finding the Fourth Proportional to 1,011,170.22, 1,395,406.35 and 558,451.50

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Solution

The fourth proportional to 1,011,170.22, 1,395,406.35 and 558,451.50 is: 770,658.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,170.22 : 1,395,406.35 = 558,451.50 : x
  2. Step 2: Convert to fraction form
    1,011,170.22/1,395,406.35 = 558,451.50/x
  3. Step 3: Cross multiply
    1,011,170.22x = 1,395,406.35 × 558,451.50
  4. Step 4: Simplify right side
    1,011,170.22x = 779,266,769,267.03
  5. Step 5: Solve for x
    x = 779,266,769,267.03/1,011,170.22
  6. Step 6: Final answer
    x = 770,658.35

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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.