Home / 1,372,205.50-1,893,643.60-835,661.50

Finding the Fourth Proportional to 1,372,205.50, 1,893,643.60 and 835,661.50

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Solution

The fourth proportional to 1,372,205.50, 1,893,643.60 and 835,661.50 is: 1,153,212.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,372,205.50 : 1,893,643.60 = 835,661.50 : x
  2. Step 2: Convert to fraction form
    1,372,205.50/1,893,643.60 = 835,661.50/x
  3. Step 3: Cross multiply
    1,372,205.50x = 1,893,643.60 × 835,661.50
  4. Step 4: Simplify right side
    1,372,205.50x = 1,582,445,051,241.40
  5. Step 5: Solve for x
    x = 1,582,445,051,241.40/1,372,205.50
  6. Step 6: Final answer
    x = 1,153,212.88

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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.