Home / 1,230,257.70-1,845,386.55-1,106,254.80

Finding the Fourth Proportional to 1,230,257.70, 1,845,386.55 and 1,106,254.80

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Solution

The fourth proportional to 1,230,257.70, 1,845,386.55 and 1,106,254.80 is: 1,659,382.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,257.70 : 1,845,386.55 = 1,106,254.80 : x
  2. Step 2: Convert to fraction form
    1,230,257.70/1,845,386.55 = 1,106,254.80/x
  3. Step 3: Cross multiply
    1,230,257.70x = 1,845,386.55 × 1,106,254.80
  4. Step 4: Simplify right side
    1,230,257.70x = 2,041,467,728,792.94
  5. Step 5: Solve for x
    x = 2,041,467,728,792.94/1,230,257.70
  6. Step 6: Final answer
    x = 1,659,382.20

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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.