Home / 1,681,764.52-2,320,884.90-917,867.56

Finding the Fourth Proportional to 1,681,764.52, 2,320,884.90 and 917,867.56

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Solution

The fourth proportional to 1,681,764.52, 2,320,884.90 and 917,867.56 is: 1,266,684.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,681,764.52 : 2,320,884.90 = 917,867.56 : x
  2. Step 2: Convert to fraction form
    1,681,764.52/2,320,884.90 = 917,867.56/x
  3. Step 3: Cross multiply
    1,681,764.52x = 2,320,884.90 × 917,867.56
  4. Step 4: Simplify right side
    1,681,764.52x = 2,130,264,960,203.84
  5. Step 5: Solve for x
    x = 2,130,264,960,203.84/1,681,764.52
  6. Step 6: Final answer
    x = 1,266,684.45

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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.