Home / 1,627,481.16-2,440,943.10-429,415.83

Finding the Fourth Proportional to 1,627,481.16, 2,440,943.10 and 429,415.83

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Solution

The fourth proportional to 1,627,481.16, 2,440,943.10 and 429,415.83 is: 644,050.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,627,481.16 : 2,440,943.10 = 429,415.83 : x
  2. Step 2: Convert to fraction form
    1,627,481.16/2,440,943.10 = 429,415.83/x
  3. Step 3: Cross multiply
    1,627,481.16x = 2,440,943.10 × 429,415.83
  4. Step 4: Simplify right side
    1,627,481.16x = 1,048,179,607,269.27
  5. Step 5: Solve for x
    x = 1,048,179,607,269.27/1,627,481.16
  6. Step 6: Final answer
    x = 644,050.22

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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.