Home / 1,008,234.54-1,391,461.74-753,142.86

Finding the Fourth Proportional to 1,008,234.54, 1,391,461.74 and 753,142.86

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Solution

The fourth proportional to 1,008,234.54, 1,391,461.74 and 753,142.86 is: 1,039,410.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,234.54 : 1,391,461.74 = 753,142.86 : x
  2. Step 2: Convert to fraction form
    1,008,234.54/1,391,461.74 = 753,142.86/x
  3. Step 3: Cross multiply
    1,008,234.54x = 1,391,461.74 × 753,142.86
  4. Step 4: Simplify right side
    1,008,234.54x = 1,047,969,474,444.18
  5. Step 5: Solve for x
    x = 1,047,969,474,444.18/1,008,234.54
  6. Step 6: Final answer
    x = 1,039,410.41

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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.