Home / 1,435,905.60-2,153,443.44-489,255.36

Finding the Fourth Proportional to 1,435,905.60, 2,153,443.44 and 489,255.36

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Solution

The fourth proportional to 1,435,905.60, 2,153,443.44 and 489,255.36 is: 733,741.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,435,905.60 : 2,153,443.44 = 489,255.36 : x
  2. Step 2: Convert to fraction form
    1,435,905.60/2,153,443.44 = 489,255.36/x
  3. Step 3: Cross multiply
    1,435,905.60x = 2,153,443.44 × 489,255.36
  4. Step 4: Simplify right side
    1,435,905.60x = 1,053,583,745,476.84
  5. Step 5: Solve for x
    x = 1,053,583,745,476.84/1,435,905.60
  6. Step 6: Final answer
    x = 733,741.65

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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.