Home / 1,447,095.47-2,170,744.65-436,225.73

Finding the Fourth Proportional to 1,447,095.47, 2,170,744.65 and 436,225.73

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Solution

The fourth proportional to 1,447,095.47, 2,170,744.65 and 436,225.73 is: 654,369.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,447,095.47 : 2,170,744.65 = 436,225.73 : x
  2. Step 2: Convert to fraction form
    1,447,095.47/2,170,744.65 = 436,225.73/x
  3. Step 3: Cross multiply
    1,447,095.47x = 2,170,744.65 × 436,225.73
  4. Step 4: Simplify right side
    1,447,095.47x = 946,934,658,736.12
  5. Step 5: Solve for x
    x = 946,934,658,736.12/1,447,095.47
  6. Step 6: Final answer
    x = 654,369.17

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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.