Home / 1,240,710.60-1,861,284.60-442,455.60

Finding the Fourth Proportional to 1,240,710.60, 1,861,284.60 and 442,455.60

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Solution

The fourth proportional to 1,240,710.60, 1,861,284.60 and 442,455.60 is: 663,761.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,710.60 : 1,861,284.60 = 442,455.60 : x
  2. Step 2: Convert to fraction form
    1,240,710.60/1,861,284.60 = 442,455.60/x
  3. Step 3: Cross multiply
    1,240,710.60x = 1,861,284.60 × 442,455.60
  4. Step 4: Simplify right side
    1,240,710.60x = 823,535,794,463.76
  5. Step 5: Solve for x
    x = 823,535,794,463.76/1,240,710.60
  6. Step 6: Final answer
    x = 663,761.39

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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.