Home / 1,280,848.14-1,921,269.78-1,202,903.46

Finding the Fourth Proportional to 1,280,848.14, 1,921,269.78 and 1,202,903.46

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Solution

The fourth proportional to 1,280,848.14, 1,921,269.78 and 1,202,903.46 is: 1,804,352.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,280,848.14 : 1,921,269.78 = 1,202,903.46 : x
  2. Step 2: Convert to fraction form
    1,280,848.14/1,921,269.78 = 1,202,903.46/x
  3. Step 3: Cross multiply
    1,280,848.14x = 1,921,269.78 × 1,202,903.46
  4. Step 4: Simplify right side
    1,280,848.14x = 2,311,102,065,955.44
  5. Step 5: Solve for x
    x = 2,311,102,065,955.44/1,280,848.14
  6. Step 6: Final answer
    x = 1,804,352.91

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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.