Home / 1,218,018.66-1,826,494.45-578,505.23

Finding the Fourth Proportional to 1,218,018.66, 1,826,494.45 and 578,505.23

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Solution

The fourth proportional to 1,218,018.66, 1,826,494.45 and 578,505.23 is: 867,504.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,018.66 : 1,826,494.45 = 578,505.23 : x
  2. Step 2: Convert to fraction form
    1,218,018.66/1,826,494.45 = 578,505.23/x
  3. Step 3: Cross multiply
    1,218,018.66x = 1,826,494.45 × 578,505.23
  4. Step 4: Simplify right side
    1,218,018.66x = 1,056,636,595,010.95
  5. Step 5: Solve for x
    x = 1,056,636,595,010.95/1,218,018.66
  6. Step 6: Final answer
    x = 867,504.44

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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.