Home / 1,781,454.40-2,665,960.80-1,246,465.60

Finding the Fourth Proportional to 1,781,454.40, 2,665,960.80 and 1,246,465.60

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Solution

The fourth proportional to 1,781,454.40, 2,665,960.80 and 1,246,465.60 is: 1,865,345.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,781,454.40 : 2,665,960.80 = 1,246,465.60 : x
  2. Step 2: Convert to fraction form
    1,781,454.40/2,665,960.80 = 1,246,465.60/x
  3. Step 3: Cross multiply
    1,781,454.40x = 2,665,960.80 × 1,246,465.60
  4. Step 4: Simplify right side
    1,781,454.40x = 3,323,028,428,148.48
  5. Step 5: Solve for x
    x = 3,323,028,428,148.48/1,781,454.40
  6. Step 6: Final answer
    x = 1,865,345.77

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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.