Home / 1,638,423.36-2,261,072.16-959,296.32

Finding the Fourth Proportional to 1,638,423.36, 2,261,072.16 and 959,296.32

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Solution

The fourth proportional to 1,638,423.36, 2,261,072.16 and 959,296.32 is: 1,323,856.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,638,423.36 : 2,261,072.16 = 959,296.32 : x
  2. Step 2: Convert to fraction form
    1,638,423.36/2,261,072.16 = 959,296.32/x
  3. Step 3: Cross multiply
    1,638,423.36x = 2,261,072.16 × 959,296.32
  4. Step 4: Simplify right side
    1,638,423.36x = 2,169,038,202,342.45
  5. Step 5: Solve for x
    x = 2,169,038,202,342.45/1,638,423.36
  6. Step 6: Final answer
    x = 1,323,856.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.