Home / 1,090,454.67-1,635,946.20-342,500.67

Finding the Fourth Proportional to 1,090,454.67, 1,635,946.20 and 342,500.67

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Solution

The fourth proportional to 1,090,454.67, 1,635,946.20 and 342,500.67 is: 513,833.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,454.67 : 1,635,946.20 = 342,500.67 : x
  2. Step 2: Convert to fraction form
    1,090,454.67/1,635,946.20 = 342,500.67/x
  3. Step 3: Cross multiply
    1,090,454.67x = 1,635,946.20 × 342,500.67
  4. Step 4: Simplify right side
    1,090,454.67x = 560,312,669,583.95
  5. Step 5: Solve for x
    x = 560,312,669,583.95/1,090,454.67
  6. Step 6: Final answer
    x = 513,833.99

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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.