Home / 1,424,048.02-1,965,189.21-779,509.36

Finding the Fourth Proportional to 1,424,048.02, 1,965,189.21 and 779,509.36

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Solution

The fourth proportional to 1,424,048.02, 1,965,189.21 and 779,509.36 is: 1,075,724.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,424,048.02 : 1,965,189.21 = 779,509.36 : x
  2. Step 2: Convert to fraction form
    1,424,048.02/1,965,189.21 = 779,509.36/x
  3. Step 3: Cross multiply
    1,424,048.02x = 1,965,189.21 × 779,509.36
  4. Step 4: Simplify right side
    1,424,048.02x = 1,531,883,383,366.01
  5. Step 5: Solve for x
    x = 1,531,883,383,366.01/1,424,048.02
  6. Step 6: Final answer
    x = 1,075,724.53

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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.