Home / 1,531,316.98-2,113,181.49-852,238.90

Finding the Fourth Proportional to 1,531,316.98, 2,113,181.49 and 852,238.90

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Solution

The fourth proportional to 1,531,316.98, 2,113,181.49 and 852,238.90 is: 1,176,069.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,531,316.98 : 2,113,181.49 = 852,238.90 : x
  2. Step 2: Convert to fraction form
    1,531,316.98/2,113,181.49 = 852,238.90/x
  3. Step 3: Cross multiply
    1,531,316.98x = 2,113,181.49 × 852,238.90
  4. Step 4: Simplify right side
    1,531,316.98x = 1,800,935,468,537.96
  5. Step 5: Solve for x
    x = 1,800,935,468,537.96/1,531,316.98
  6. Step 6: Final answer
    x = 1,176,069.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.