Home / 999,442.44-1,379,226.24-540,557.46

Finding the Fourth Proportional to 999,442.44, 1,379,226.24 and 540,557.46

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Solution

The fourth proportional to 999,442.44, 1,379,226.24 and 540,557.46 is: 745,966.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,442.44 : 1,379,226.24 = 540,557.46 : x
  2. Step 2: Convert to fraction form
    999,442.44/1,379,226.24 = 540,557.46/x
  3. Step 3: Cross multiply
    999,442.44x = 1,379,226.24 × 540,557.46
  4. Step 4: Simplify right side
    999,442.44x = 745,551,033,059.75
  5. Step 5: Solve for x
    x = 745,551,033,059.75/999,442.44
  6. Step 6: Final answer
    x = 745,966.95

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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.