Home / 1,188,206.66-1,782,280.56-346,765.70

Finding the Fourth Proportional to 1,188,206.66, 1,782,280.56 and 346,765.70

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Solution

The fourth proportional to 1,188,206.66, 1,782,280.56 and 346,765.70 is: 520,139.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,206.66 : 1,782,280.56 = 346,765.70 : x
  2. Step 2: Convert to fraction form
    1,188,206.66/1,782,280.56 = 346,765.70/x
  3. Step 3: Cross multiply
    1,188,206.66x = 1,782,280.56 × 346,765.70
  4. Step 4: Simplify right side
    1,188,206.66x = 618,033,765,984.79
  5. Step 5: Solve for x
    x = 618,033,765,984.79/1,188,206.66
  6. Step 6: Final answer
    x = 520,139.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.