Home / 1,761,941.70-2,642,912.55-920,384.10

Finding the Fourth Proportional to 1,761,941.70, 2,642,912.55 and 920,384.10

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Solution

The fourth proportional to 1,761,941.70, 2,642,912.55 and 920,384.10 is: 1,380,576.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,761,941.70 : 2,642,912.55 = 920,384.10 : x
  2. Step 2: Convert to fraction form
    1,761,941.70/2,642,912.55 = 920,384.10/x
  3. Step 3: Cross multiply
    1,761,941.70x = 2,642,912.55 × 920,384.10
  4. Step 4: Simplify right side
    1,761,941.70x = 2,432,494,688,710.45
  5. Step 5: Solve for x
    x = 2,432,494,688,710.45/1,761,941.70
  6. Step 6: Final answer
    x = 1,380,576.15

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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.