Home / 1,349,504.12-1,862,317.50-776,532.80

Finding the Fourth Proportional to 1,349,504.12, 1,862,317.50 and 776,532.80

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Solution

The fourth proportional to 1,349,504.12, 1,862,317.50 and 776,532.80 is: 1,071,616.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,349,504.12 : 1,862,317.50 = 776,532.80 : x
  2. Step 2: Convert to fraction form
    1,349,504.12/1,862,317.50 = 776,532.80/x
  3. Step 3: Cross multiply
    1,349,504.12x = 1,862,317.50 × 776,532.80
  4. Step 4: Simplify right side
    1,349,504.12x = 1,446,150,622,764
  5. Step 5: Solve for x
    x = 1,446,150,622,764/1,349,504.12
  6. Step 6: Final answer
    x = 1,071,616.31

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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.