Home / 1,430,238.06-2,145,323.88-720,075.42

Finding the Fourth Proportional to 1,430,238.06, 2,145,323.88 and 720,075.42

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Solution

The fourth proportional to 1,430,238.06, 2,145,323.88 and 720,075.42 is: 1,080,096.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,430,238.06 : 2,145,323.88 = 720,075.42 : x
  2. Step 2: Convert to fraction form
    1,430,238.06/2,145,323.88 = 720,075.42/x
  3. Step 3: Cross multiply
    1,430,238.06x = 2,145,323.88 × 720,075.42
  4. Step 4: Simplify right side
    1,430,238.06x = 1,544,794,993,927.03
  5. Step 5: Solve for x
    x = 1,544,794,993,927.03/1,430,238.06
  6. Step 6: Final answer
    x = 1,080,096.41

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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.