Home / 1,689,360.66-2,329,449.57-1,076,542.70

Finding the Fourth Proportional to 1,689,360.66, 2,329,449.57 and 1,076,542.70

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Solution

The fourth proportional to 1,689,360.66, 2,329,449.57 and 1,076,542.70 is: 1,484,438.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,689,360.66 : 2,329,449.57 = 1,076,542.70 : x
  2. Step 2: Convert to fraction form
    1,689,360.66/2,329,449.57 = 1,076,542.70/x
  3. Step 3: Cross multiply
    1,689,360.66x = 2,329,449.57 × 1,076,542.70
  4. Step 4: Simplify right side
    1,689,360.66x = 2,507,751,917,954.39
  5. Step 5: Solve for x
    x = 2,507,751,917,954.39/1,689,360.66
  6. Step 6: Final answer
    x = 1,484,438.45

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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.