Home / 1,368,404.51-1,888,393.49-764,792.51

Finding the Fourth Proportional to 1,368,404.51, 1,888,393.49 and 764,792.51

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Solution

The fourth proportional to 1,368,404.51, 1,888,393.49 and 764,792.51 is: 1,055,411.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,368,404.51 : 1,888,393.49 = 764,792.51 : x
  2. Step 2: Convert to fraction form
    1,368,404.51/1,888,393.49 = 764,792.51/x
  3. Step 3: Cross multiply
    1,368,404.51x = 1,888,393.49 × 764,792.51
  4. Step 4: Simplify right side
    1,368,404.51x = 1,444,229,197,084.76
  5. Step 5: Solve for x
    x = 1,444,229,197,084.76/1,368,404.51
  6. Step 6: Final answer
    x = 1,055,411.02

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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.