Home / 1,376,996.02-1,900,216.74-765,133.07

Finding the Fourth Proportional to 1,376,996.02, 1,900,216.74 and 765,133.07

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Solution

The fourth proportional to 1,376,996.02, 1,900,216.74 and 765,133.07 is: 1,055,862.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,376,996.02 : 1,900,216.74 = 765,133.07 : x
  2. Step 2: Convert to fraction form
    1,376,996.02/1,900,216.74 = 765,133.07/x
  3. Step 3: Cross multiply
    1,376,996.02x = 1,900,216.74 × 765,133.07
  4. Step 4: Simplify right side
    1,376,996.02x = 1,453,918,667,941.59
  5. Step 5: Solve for x
    x = 1,453,918,667,941.59/1,376,996.02
  6. Step 6: Final answer
    x = 1,055,862.65

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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.