Home / 1,220,937.45-1,831,156.74-462,517.44

Finding the Fourth Proportional to 1,220,937.45, 1,831,156.74 and 462,517.44

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Solution

The fourth proportional to 1,220,937.45, 1,831,156.74 and 462,517.44 is: 693,681.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220,937.45 : 1,831,156.74 = 462,517.44 : x
  2. Step 2: Convert to fraction form
    1,220,937.45/1,831,156.74 = 462,517.44/x
  3. Step 3: Cross multiply
    1,220,937.45x = 1,831,156.74 × 462,517.44
  4. Step 4: Simplify right side
    1,220,937.45x = 846,941,927,623.55
  5. Step 5: Solve for x
    x = 846,941,927,623.55/1,220,937.45
  6. Step 6: Final answer
    x = 693,681.67

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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.