Home / 1,347,331.12-1,859,304.17-830,878.56

Finding the Fourth Proportional to 1,347,331.12, 1,859,304.17 and 830,878.56

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Solution

The fourth proportional to 1,347,331.12, 1,859,304.17 and 830,878.56 is: 1,146,604.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,331.12 : 1,859,304.17 = 830,878.56 : x
  2. Step 2: Convert to fraction form
    1,347,331.12/1,859,304.17 = 830,878.56/x
  3. Step 3: Cross multiply
    1,347,331.12x = 1,859,304.17 × 830,878.56
  4. Step 4: Simplify right side
    1,347,331.12x = 1,544,855,973,448.79
  5. Step 5: Solve for x
    x = 1,544,855,973,448.79/1,347,331.12
  6. Step 6: Final answer
    x = 1,146,604.54

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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.