Home / 1,310,956.35-1,809,292.19-738,108.15

Finding the Fourth Proportional to 1,310,956.35, 1,809,292.19 and 738,108.15

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Solution

The fourth proportional to 1,310,956.35, 1,809,292.19 and 738,108.15 is: 1,018,686.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,310,956.35 : 1,809,292.19 = 738,108.15 : x
  2. Step 2: Convert to fraction form
    1,310,956.35/1,809,292.19 = 738,108.15/x
  3. Step 3: Cross multiply
    1,310,956.35x = 1,809,292.19 × 738,108.15
  4. Step 4: Simplify right side
    1,310,956.35x = 1,335,453,304,846.82
  5. Step 5: Solve for x
    x = 1,335,453,304,846.82/1,310,956.35
  6. Step 6: Final answer
    x = 1,018,686.33

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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.