Home / 1,028,434.74-1,543,242.83-803,162.81

Finding the Fourth Proportional to 1,028,434.74, 1,543,242.83 and 803,162.81

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Solution

The fourth proportional to 1,028,434.74, 1,543,242.83 and 803,162.81 is: 1,205,205.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,434.74 : 1,543,242.83 = 803,162.81 : x
  2. Step 2: Convert to fraction form
    1,028,434.74/1,543,242.83 = 803,162.81/x
  3. Step 3: Cross multiply
    1,028,434.74x = 1,543,242.83 × 803,162.81
  4. Step 4: Simplify right side
    1,028,434.74x = 1,239,475,236,123.12
  5. Step 5: Solve for x
    x = 1,239,475,236,123.12/1,028,434.74
  6. Step 6: Final answer
    x = 1,205,205.53

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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.