Home / 1,011,310.40-1,395,620.64-558,651.20

Finding the Fourth Proportional to 1,011,310.40, 1,395,620.64 and 558,651.20

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Solution

The fourth proportional to 1,011,310.40, 1,395,620.64 and 558,651.20 is: 770,945.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,310.40 : 1,395,620.64 = 558,651.20 : x
  2. Step 2: Convert to fraction form
    1,011,310.40/1,395,620.64 = 558,651.20/x
  3. Step 3: Cross multiply
    1,011,310.40x = 1,395,620.64 × 558,651.20
  4. Step 4: Simplify right side
    1,011,310.40x = 779,665,145,280.77
  5. Step 5: Solve for x
    x = 779,665,145,280.77/1,011,310.40
  6. Step 6: Final answer
    x = 770,945.44

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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.