Home / 1,219,471.40-1,831,280.70-904,284.20

Finding the Fourth Proportional to 1,219,471.40, 1,831,280.70 and 904,284.20

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Solution

The fourth proportional to 1,219,471.40, 1,831,280.70 and 904,284.20 is: 1,357,963.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,471.40 : 1,831,280.70 = 904,284.20 : x
  2. Step 2: Convert to fraction form
    1,219,471.40/1,831,280.70 = 904,284.20/x
  3. Step 3: Cross multiply
    1,219,471.40x = 1,831,280.70 × 904,284.20
  4. Step 4: Simplify right side
    1,219,471.40x = 1,655,998,202,774.94
  5. Step 5: Solve for x
    x = 1,655,998,202,774.94/1,219,471.40
  6. Step 6: Final answer
    x = 1,357,963.95

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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.