Home / 1,427,259.70-2,141,254.05-1,007,355.70

Finding the Fourth Proportional to 1,427,259.70, 2,141,254.05 and 1,007,355.70

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Solution

The fourth proportional to 1,427,259.70, 2,141,254.05 and 1,007,355.70 is: 1,511,290.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427,259.70 : 2,141,254.05 = 1,007,355.70 : x
  2. Step 2: Convert to fraction form
    1,427,259.70/2,141,254.05 = 1,007,355.70/x
  3. Step 3: Cross multiply
    1,427,259.70x = 2,141,254.05 × 1,007,355.70
  4. Step 4: Simplify right side
    1,427,259.70x = 2,157,004,472,415.58
  5. Step 5: Solve for x
    x = 2,157,004,472,415.58/1,427,259.70
  6. Step 6: Final answer
    x = 1,511,290.81

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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.