Home / 1,446,602.39-2,169,993.81-381,645.47

Finding the Fourth Proportional to 1,446,602.39, 2,169,993.81 and 381,645.47

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Solution

The fourth proportional to 1,446,602.39, 2,169,993.81 and 381,645.47 is: 572,492.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,446,602.39 : 2,169,993.81 = 381,645.47 : x
  2. Step 2: Convert to fraction form
    1,446,602.39/2,169,993.81 = 381,645.47/x
  3. Step 3: Cross multiply
    1,446,602.39x = 2,169,993.81 × 381,645.47
  4. Step 4: Simplify right side
    1,446,602.39x = 828,168,312,939.53
  5. Step 5: Solve for x
    x = 828,168,312,939.53/1,446,602.39
  6. Step 6: Final answer
    x = 572,492.01

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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.