Home / 1,775,642.91-2,665,359.76-765,263.49

Finding the Fourth Proportional to 1,775,642.91, 2,665,359.76 and 765,263.49

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Solution

The fourth proportional to 1,775,642.91, 2,665,359.76 and 765,263.49 is: 1,148,712.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,775,642.91 : 2,665,359.76 = 765,263.49 : x
  2. Step 2: Convert to fraction form
    1,775,642.91/2,665,359.76 = 765,263.49/x
  3. Step 3: Cross multiply
    1,775,642.91x = 2,665,359.76 × 765,263.49
  4. Step 4: Simplify right side
    1,775,642.91x = 2,039,702,512,043.16
  5. Step 5: Solve for x
    x = 2,039,702,512,043.16/1,775,642.91
  6. Step 6: Final answer
    x = 1,148,712.11

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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.