Home / 1,309,442.99-1,964,247.53-410,920.16

Finding the Fourth Proportional to 1,309,442.99, 1,964,247.53 and 410,920.16

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Solution

The fourth proportional to 1,309,442.99, 1,964,247.53 and 410,920.16 is: 616,406.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,442.99 : 1,964,247.53 = 410,920.16 : x
  2. Step 2: Convert to fraction form
    1,309,442.99/1,964,247.53 = 410,920.16/x
  3. Step 3: Cross multiply
    1,309,442.99x = 1,964,247.53 × 410,920.16
  4. Step 4: Simplify right side
    1,309,442.99x = 807,148,897,431.37
  5. Step 5: Solve for x
    x = 807,148,897,431.37/1,309,442.99
  6. Step 6: Final answer
    x = 616,406.29

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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.