Home / 1,431,345.69-2,146,969.26-366,396.93

Finding the Fourth Proportional to 1,431,345.69, 2,146,969.26 and 366,396.93

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Solution

The fourth proportional to 1,431,345.69, 2,146,969.26 and 366,396.93 is: 549,582.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,345.69 : 2,146,969.26 = 366,396.93 : x
  2. Step 2: Convert to fraction form
    1,431,345.69/2,146,969.26 = 366,396.93/x
  3. Step 3: Cross multiply
    1,431,345.69x = 2,146,969.26 × 366,396.93
  4. Step 4: Simplify right side
    1,431,345.69x = 786,642,945,668.37
  5. Step 5: Solve for x
    x = 786,642,945,668.37/1,431,345.69
  6. Step 6: Final answer
    x = 549,582.78

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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.