Home / 1,534,393.31-2,117,462.91-855,329.81

Finding the Fourth Proportional to 1,534,393.31, 2,117,462.91 and 855,329.81

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Solution

The fourth proportional to 1,534,393.31, 2,117,462.91 and 855,329.81 is: 1,180,355.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,534,393.31 : 2,117,462.91 = 855,329.81 : x
  2. Step 2: Convert to fraction form
    1,534,393.31/2,117,462.91 = 855,329.81/x
  3. Step 3: Cross multiply
    1,534,393.31x = 2,117,462.91 × 855,329.81
  4. Step 4: Simplify right side
    1,534,393.31x = 1,811,129,153,786.00
  5. Step 5: Solve for x
    x = 1,811,129,153,786.00/1,534,393.31
  6. Step 6: Final answer
    x = 1,180,355.22

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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.