Home / 1,230,477.49-1,845,900.74-431,618.33

Finding the Fourth Proportional to 1,230,477.49, 1,845,900.74 and 431,618.33

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Solution

The fourth proportional to 1,230,477.49, 1,845,900.74 and 431,618.33 is: 647,492.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,477.49 : 1,845,900.74 = 431,618.33 : x
  2. Step 2: Convert to fraction form
    1,230,477.49/1,845,900.74 = 431,618.33/x
  3. Step 3: Cross multiply
    1,230,477.49x = 1,845,900.74 × 431,618.33
  4. Step 4: Simplify right side
    1,230,477.49x = 796,724,592,586.47
  5. Step 5: Solve for x
    x = 796,724,592,586.47/1,230,477.49
  6. Step 6: Final answer
    x = 647,492.22

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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.