Home / 1,447,412.47-2,171,134.27-436,543.19

Finding the Fourth Proportional to 1,447,412.47, 2,171,134.27 and 436,543.19

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Solution

The fourth proportional to 1,447,412.47, 2,171,134.27 and 436,543.19 is: 654,819.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,447,412.47 : 2,171,134.27 = 436,543.19 : x
  2. Step 2: Convert to fraction form
    1,447,412.47/2,171,134.27 = 436,543.19/x
  3. Step 3: Cross multiply
    1,447,412.47x = 2,171,134.27 × 436,543.19
  4. Step 4: Simplify right side
    1,447,412.47x = 947,793,868,197.09
  5. Step 5: Solve for x
    x = 947,793,868,197.09/1,447,412.47
  6. Step 6: Final answer
    x = 654,819.47

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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.