Home / 1,187,950.40-1,637,785.60-943,745.42

Finding the Fourth Proportional to 1,187,950.40, 1,637,785.60 and 943,745.42

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Solution

The fourth proportional to 1,187,950.40, 1,637,785.60 and 943,745.42 is: 1,301,108.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,187,950.40 : 1,637,785.60 = 943,745.42 : x
  2. Step 2: Convert to fraction form
    1,187,950.40/1,637,785.60 = 943,745.42/x
  3. Step 3: Cross multiply
    1,187,950.40x = 1,637,785.60 × 943,745.42
  4. Step 4: Simplify right side
    1,187,950.40x = 1,545,652,654,535.36
  5. Step 5: Solve for x
    x = 1,545,652,654,535.36/1,187,950.40
  6. Step 6: Final answer
    x = 1,301,108.75

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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.