Home / 1,447,750.47-2,171,642.42-436,881.18

Finding the Fourth Proportional to 1,447,750.47, 2,171,642.42 and 436,881.18

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Solution

The fourth proportional to 1,447,750.47, 2,171,642.42 and 436,881.18 is: 655,326.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,447,750.47 : 2,171,642.42 = 436,881.18 : x
  2. Step 2: Convert to fraction form
    1,447,750.47/2,171,642.42 = 436,881.18/x
  3. Step 3: Cross multiply
    1,447,750.47x = 2,171,642.42 × 436,881.18
  4. Step 4: Simplify right side
    1,447,750.47x = 948,749,702,987.66
  5. Step 5: Solve for x
    x = 948,749,702,987.66/1,447,750.47
  6. Step 6: Final answer
    x = 655,326.81

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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.