Home / 1,376,893-1,900,106.22-765,145.36

Finding the Fourth Proportional to 1,376,893, 1,900,106.22 and 765,145.36

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Solution

The fourth proportional to 1,376,893, 1,900,106.22 and 765,145.36 is: 1,055,897.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,376,893 : 1,900,106.22 = 765,145.36 : x
  2. Step 2: Convert to fraction form
    1,376,893/1,900,106.22 = 765,145.36/x
  3. Step 3: Cross multiply
    1,376,893x = 1,900,106.22 × 765,145.36
  4. Step 4: Simplify right side
    1,376,893x = 1,453,857,457,740.14
  5. Step 5: Solve for x
    x = 1,453,857,457,740.14/1,376,893
  6. Step 6: Final answer
    x = 1,055,897.20

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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.