Home / 1,041,408.30-1,562,112.45-831,456.30

Finding the Fourth Proportional to 1,041,408.30, 1,562,112.45 and 831,456.30

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Solution

The fourth proportional to 1,041,408.30, 1,562,112.45 and 831,456.30 is: 1,247,184.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,041,408.30 : 1,562,112.45 = 831,456.30 : x
  2. Step 2: Convert to fraction form
    1,041,408.30/1,562,112.45 = 831,456.30/x
  3. Step 3: Cross multiply
    1,041,408.30x = 1,562,112.45 × 831,456.30
  4. Step 4: Simplify right side
    1,041,408.30x = 1,298,828,237,860.94
  5. Step 5: Solve for x
    x = 1,298,828,237,860.94/1,041,408.30
  6. Step 6: Final answer
    x = 1,247,184.45

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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.