Home / 1,118,408.70-1,677,175.65-408,071.10

Finding the Fourth Proportional to 1,118,408.70, 1,677,175.65 and 408,071.10

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Solution

The fourth proportional to 1,118,408.70, 1,677,175.65 and 408,071.10 is: 611,947.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,408.70 : 1,677,175.65 = 408,071.10 : x
  2. Step 2: Convert to fraction form
    1,118,408.70/1,677,175.65 = 408,071.10/x
  3. Step 3: Cross multiply
    1,118,408.70x = 1,677,175.65 × 408,071.10
  4. Step 4: Simplify right side
    1,118,408.70x = 684,406,912,388.72
  5. Step 5: Solve for x
    x = 684,406,912,388.72/1,118,408.70
  6. Step 6: Final answer
    x = 611,947.06

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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.