Home / 1,028,428.74-1,543,233.82-803,156.81

Finding the Fourth Proportional to 1,028,428.74, 1,543,233.82 and 803,156.81

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Solution

The fourth proportional to 1,028,428.74, 1,543,233.82 and 803,156.81 is: 1,205,196.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,428.74 : 1,543,233.82 = 803,156.81 : x
  2. Step 2: Convert to fraction form
    1,028,428.74/1,543,233.82 = 803,156.81/x
  3. Step 3: Cross multiply
    1,028,428.74x = 1,543,233.82 × 803,156.81
  4. Step 4: Simplify right side
    1,028,428.74x = 1,239,458,742,231.25
  5. Step 5: Solve for x
    x = 1,239,458,742,231.25/1,028,428.74
  6. Step 6: Final answer
    x = 1,205,196.52

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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.