Home / 1,137,828.98-1,707,416.81-418,675.68

Finding the Fourth Proportional to 1,137,828.98, 1,707,416.81 and 418,675.68

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Solution

The fourth proportional to 1,137,828.98, 1,707,416.81 and 418,675.68 is: 628,261.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,828.98 : 1,707,416.81 = 418,675.68 : x
  2. Step 2: Convert to fraction form
    1,137,828.98/1,707,416.81 = 418,675.68/x
  3. Step 3: Cross multiply
    1,137,828.98x = 1,707,416.81 × 418,675.68
  4. Step 4: Simplify right side
    1,137,828.98x = 714,853,883,339.72
  5. Step 5: Solve for x
    x = 714,853,883,339.72/1,137,828.98
  6. Step 6: Final answer
    x = 628,261.28

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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.