Home / 1,212,980.23-1,815,684.10-893,492.34

Finding the Fourth Proportional to 1,212,980.23, 1,815,684.10 and 893,492.34

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Solution

The fourth proportional to 1,212,980.23, 1,815,684.10 and 893,492.34 is: 1,337,449.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,980.23 : 1,815,684.10 = 893,492.34 : x
  2. Step 2: Convert to fraction form
    1,212,980.23/1,815,684.10 = 893,492.34/x
  3. Step 3: Cross multiply
    1,212,980.23x = 1,815,684.10 × 893,492.34
  4. Step 4: Simplify right side
    1,212,980.23x = 1,622,299,831,193.14
  5. Step 5: Solve for x
    x = 1,622,299,831,193.14/1,212,980.23
  6. Step 6: Final answer
    x = 1,337,449.52

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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.