Home / 1,628,115.82-2,442,290.37-430,026.19

Finding the Fourth Proportional to 1,628,115.82, 2,442,290.37 and 430,026.19

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Solution

The fourth proportional to 1,628,115.82, 2,442,290.37 and 430,026.19 is: 645,070.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,628,115.82 : 2,442,290.37 = 430,026.19 : x
  2. Step 2: Convert to fraction form
    1,628,115.82/2,442,290.37 = 430,026.19/x
  3. Step 3: Cross multiply
    1,628,115.82x = 2,442,290.37 × 430,026.19
  4. Step 4: Simplify right side
    1,628,115.82x = 1,050,248,822,684.79
  5. Step 5: Solve for x
    x = 1,050,248,822,684.79/1,628,115.82
  6. Step 6: Final answer
    x = 645,070.09

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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.