Home / 1,232,492.10-1,851,848.55-783,428.10

Finding the Fourth Proportional to 1,232,492.10, 1,851,848.55 and 783,428.10

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Solution

The fourth proportional to 1,232,492.10, 1,851,848.55 and 783,428.10 is: 1,177,119.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,232,492.10 : 1,851,848.55 = 783,428.10 : x
  2. Step 2: Convert to fraction form
    1,232,492.10/1,851,848.55 = 783,428.10/x
  3. Step 3: Cross multiply
    1,232,492.10x = 1,851,848.55 × 783,428.10
  4. Step 4: Simplify right side
    1,232,492.10x = 1,450,790,191,014.26
  5. Step 5: Solve for x
    x = 1,450,790,191,014.26/1,232,492.10
  6. Step 6: Final answer
    x = 1,177,119.26

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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.