Home / 1,305,534.36-1,956,435.30-743,407.32

Finding the Fourth Proportional to 1,305,534.36, 1,956,435.30 and 743,407.32

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Solution

The fourth proportional to 1,305,534.36, 1,956,435.30 and 743,407.32 is: 1,114,048.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,305,534.36 : 1,956,435.30 = 743,407.32 : x
  2. Step 2: Convert to fraction form
    1,305,534.36/1,956,435.30 = 743,407.32/x
  3. Step 3: Cross multiply
    1,305,534.36x = 1,956,435.30 × 743,407.32
  4. Step 4: Simplify right side
    1,305,534.36x = 1,454,428,323,126.40
  5. Step 5: Solve for x
    x = 1,454,428,323,126.40/1,305,534.36
  6. Step 6: Final answer
    x = 1,114,048.29

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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.