Home / 1,370,355.38-2,055,521.72-1,071,087.51

Finding the Fourth Proportional to 1,370,355.38, 2,055,521.72 and 1,071,087.51

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Solution

The fourth proportional to 1,370,355.38, 2,055,521.72 and 1,071,087.51 is: 1,606,622.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370,355.38 : 2,055,521.72 = 1,071,087.51 : x
  2. Step 2: Convert to fraction form
    1,370,355.38/2,055,521.72 = 1,071,087.51/x
  3. Step 3: Cross multiply
    1,370,355.38x = 2,055,521.72 × 1,071,087.51
  4. Step 4: Simplify right side
    1,370,355.38x = 2,201,643,640,825.72
  5. Step 5: Solve for x
    x = 2,201,643,640,825.72/1,370,355.38
  6. Step 6: Final answer
    x = 1,606,622.40

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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.