Home / 1,376,288.24-2,065,108.72-618,664.96

Finding the Fourth Proportional to 1,376,288.24, 2,065,108.72 and 618,664.96

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Solution

The fourth proportional to 1,376,288.24, 2,065,108.72 and 618,664.96 is: 928,301.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,376,288.24 : 2,065,108.72 = 618,664.96 : x
  2. Step 2: Convert to fraction form
    1,376,288.24/2,065,108.72 = 618,664.96/x
  3. Step 3: Cross multiply
    1,376,288.24x = 2,065,108.72 × 618,664.96
  4. Step 4: Simplify right side
    1,376,288.24x = 1,277,610,403,654.45
  5. Step 5: Solve for x
    x = 1,277,610,403,654.45/1,376,288.24
  6. Step 6: Final answer
    x = 928,301.48

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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.