Home / 1,220,826.40-1,831,620.73-735,041.05

Finding the Fourth Proportional to 1,220,826.40, 1,831,620.73 and 735,041.05

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Solution

The fourth proportional to 1,220,826.40, 1,831,620.73 and 735,041.05 is: 1,102,791.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220,826.40 : 1,831,620.73 = 735,041.05 : x
  2. Step 2: Convert to fraction form
    1,220,826.40/1,831,620.73 = 735,041.05/x
  3. Step 3: Cross multiply
    1,220,826.40x = 1,831,620.73 × 735,041.05
  4. Step 4: Simplify right side
    1,220,826.40x = 1,346,316,418,164.31
  5. Step 5: Solve for x
    x = 1,346,316,418,164.31/1,220,826.40
  6. Step 6: Final answer
    x = 1,102,791.04

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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.