Home / 1,011,311.40-1,395,622.02-558,652.20

Finding the Fourth Proportional to 1,011,311.40, 1,395,622.02 and 558,652.20

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Solution

The fourth proportional to 1,011,311.40, 1,395,622.02 and 558,652.20 is: 770,946.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,311.40 : 1,395,622.02 = 558,652.20 : x
  2. Step 2: Convert to fraction form
    1,011,311.40/1,395,622.02 = 558,652.20/x
  3. Step 3: Cross multiply
    1,011,311.40x = 1,395,622.02 × 558,652.20
  4. Step 4: Simplify right side
    1,011,311.40x = 779,667,311,841.44
  5. Step 5: Solve for x
    x = 779,667,311,841.44/1,011,311.40
  6. Step 6: Final answer
    x = 770,946.82

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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.