Home / 1,370,230.20-2,055,345.30-1,276,918.20

Finding the Fourth Proportional to 1,370,230.20, 2,055,345.30 and 1,276,918.20

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Solution

The fourth proportional to 1,370,230.20, 2,055,345.30 and 1,276,918.20 is: 1,915,377.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370,230.20 : 2,055,345.30 = 1,276,918.20 : x
  2. Step 2: Convert to fraction form
    1,370,230.20/2,055,345.30 = 1,276,918.20/x
  3. Step 3: Cross multiply
    1,370,230.20x = 2,055,345.30 × 1,276,918.20
  4. Step 4: Simplify right side
    1,370,230.20x = 2,624,507,820,854.46
  5. Step 5: Solve for x
    x = 2,624,507,820,854.46/1,370,230.20
  6. Step 6: Final answer
    x = 1,915,377.30

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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.