Home / 1,437,302.80-2,155,954.20-728,714.80

Finding the Fourth Proportional to 1,437,302.80, 2,155,954.20 and 728,714.80

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Solution

The fourth proportional to 1,437,302.80, 2,155,954.20 and 728,714.80 is: 1,093,072.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,437,302.80 : 2,155,954.20 = 728,714.80 : x
  2. Step 2: Convert to fraction form
    1,437,302.80/2,155,954.20 = 728,714.80/x
  3. Step 3: Cross multiply
    1,437,302.80x = 2,155,954.20 × 728,714.80
  4. Step 4: Simplify right side
    1,437,302.80x = 1,571,075,733,662.16
  5. Step 5: Solve for x
    x = 1,571,075,733,662.16/1,437,302.80
  6. Step 6: Final answer
    x = 1,093,072.20

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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.