Home / 1,354,933.28-1,869,673.20-782,157.98

Finding the Fourth Proportional to 1,354,933.28, 1,869,673.20 and 782,157.98

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Solution

The fourth proportional to 1,354,933.28, 1,869,673.20 and 782,157.98 is: 1,079,300.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,354,933.28 : 1,869,673.20 = 782,157.98 : x
  2. Step 2: Convert to fraction form
    1,354,933.28/1,869,673.20 = 782,157.98/x
  3. Step 3: Cross multiply
    1,354,933.28x = 1,869,673.20 × 782,157.98
  4. Step 4: Simplify right side
    1,354,933.28x = 1,462,379,813,372.14
  5. Step 5: Solve for x
    x = 1,462,379,813,372.14/1,354,933.28
  6. Step 6: Final answer
    x = 1,079,300.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.