Home / 1,676,541.88-2,313,679.98-912,646.36

Finding the Fourth Proportional to 1,676,541.88, 2,313,679.98 and 912,646.36

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Solution

The fourth proportional to 1,676,541.88, 2,313,679.98 and 912,646.36 is: 1,259,480.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,676,541.88 : 2,313,679.98 = 912,646.36 : x
  2. Step 2: Convert to fraction form
    1,676,541.88/2,313,679.98 = 912,646.36/x
  3. Step 3: Cross multiply
    1,676,541.88x = 2,313,679.98 × 912,646.36
  4. Step 4: Simplify right side
    1,676,541.88x = 2,111,571,611,951.87
  5. Step 5: Solve for x
    x = 2,111,571,611,951.87/1,676,541.88
  6. Step 6: Final answer
    x = 1,259,480.38

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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.