Home / 1,291,216.31-1,938,037.94-676,161.74

Finding the Fourth Proportional to 1,291,216.31, 1,938,037.94 and 676,161.74

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Solution

The fourth proportional to 1,291,216.31, 1,938,037.94 and 676,161.74 is: 1,014,878.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,291,216.31 : 1,938,037.94 = 676,161.74 : x
  2. Step 2: Convert to fraction form
    1,291,216.31/1,938,037.94 = 676,161.74/x
  3. Step 3: Cross multiply
    1,291,216.31x = 1,938,037.94 × 676,161.74
  4. Step 4: Simplify right side
    1,291,216.31x = 1,310,427,096,006.23
  5. Step 5: Solve for x
    x = 1,310,427,096,006.23/1,291,216.31
  6. Step 6: Final answer
    x = 1,014,878.05

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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.