Home / 1,012,671.80-1,517,678.90-745,179.80

Finding the Fourth Proportional to 1,012,671.80, 1,517,678.90 and 745,179.80

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Solution

The fourth proportional to 1,012,671.80, 1,517,678.90 and 745,179.80 is: 1,116,791.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,671.80 : 1,517,678.90 = 745,179.80 : x
  2. Step 2: Convert to fraction form
    1,012,671.80/1,517,678.90 = 745,179.80/x
  3. Step 3: Cross multiply
    1,012,671.80x = 1,517,678.90 × 745,179.80
  4. Step 4: Simplify right side
    1,012,671.80x = 1,130,943,659,166.22
  5. Step 5: Solve for x
    x = 1,130,943,659,166.22/1,012,671.80
  6. Step 6: Final answer
    x = 1,116,791.90

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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.