Home / 1,405,357.50-2,108,094.57-408,085.50

Finding the Fourth Proportional to 1,405,357.50, 2,108,094.57 and 408,085.50

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Solution

The fourth proportional to 1,405,357.50, 2,108,094.57 and 408,085.50 is: 612,145.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,357.50 : 2,108,094.57 = 408,085.50 : x
  2. Step 2: Convert to fraction form
    1,405,357.50/2,108,094.57 = 408,085.50/x
  3. Step 3: Cross multiply
    1,405,357.50x = 2,108,094.57 × 408,085.50
  4. Step 4: Simplify right side
    1,405,357.50x = 860,282,826,645.74
  5. Step 5: Solve for x
    x = 860,282,826,645.74/1,405,357.50
  6. Step 6: Final answer
    x = 612,145.18

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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.