Home / 1,103,980.38-1,655,970.56-356,026.38

Finding the Fourth Proportional to 1,103,980.38, 1,655,970.56 and 356,026.38

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Solution

The fourth proportional to 1,103,980.38, 1,655,970.56 and 356,026.38 is: 534,039.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,103,980.38 : 1,655,970.56 = 356,026.38 : x
  2. Step 2: Convert to fraction form
    1,103,980.38/1,655,970.56 = 356,026.38/x
  3. Step 3: Cross multiply
    1,103,980.38x = 1,655,970.56 × 356,026.38
  4. Step 4: Simplify right side
    1,103,980.38x = 589,569,203,863.37
  5. Step 5: Solve for x
    x = 589,569,203,863.37/1,103,980.38
  6. Step 6: Final answer
    x = 534,039.57

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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.