Home / 1,368,732.16-1,888,892.16-765,145.60

Finding the Fourth Proportional to 1,368,732.16, 1,888,892.16 and 765,145.60

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Solution

The fourth proportional to 1,368,732.16, 1,888,892.16 and 765,145.60 is: 1,055,924.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,368,732.16 : 1,888,892.16 = 765,145.60 : x
  2. Step 2: Convert to fraction form
    1,368,732.16/1,888,892.16 = 765,145.60/x
  3. Step 3: Cross multiply
    1,368,732.16x = 1,888,892.16 × 765,145.60
  4. Step 4: Simplify right side
    1,368,732.16x = 1,445,277,525,098.50
  5. Step 5: Solve for x
    x = 1,445,277,525,098.50/1,368,732.16
  6. Step 6: Final answer
    x = 1,055,924.28

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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.