Home / 1,340,772.60-1,848,455.20-910,305.40

Finding the Fourth Proportional to 1,340,772.60, 1,848,455.20 and 910,305.40

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Solution

The fourth proportional to 1,340,772.60, 1,848,455.20 and 910,305.40 is: 1,254,991.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,772.60 : 1,848,455.20 = 910,305.40 : x
  2. Step 2: Convert to fraction form
    1,340,772.60/1,848,455.20 = 910,305.40/x
  3. Step 3: Cross multiply
    1,340,772.60x = 1,848,455.20 × 910,305.40
  4. Step 4: Simplify right side
    1,340,772.60x = 1,682,658,750,218.08
  5. Step 5: Solve for x
    x = 1,682,658,750,218.08/1,340,772.60
  6. Step 6: Final answer
    x = 1,254,991.90

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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.