Home / 1,315,231.29-1,972,923.47-368,675.82

Finding the Fourth Proportional to 1,315,231.29, 1,972,923.47 and 368,675.82

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Solution

The fourth proportional to 1,315,231.29, 1,972,923.47 and 368,675.82 is: 553,035.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,315,231.29 : 1,972,923.47 = 368,675.82 : x
  2. Step 2: Convert to fraction form
    1,315,231.29/1,972,923.47 = 368,675.82/x
  3. Step 3: Cross multiply
    1,315,231.29x = 1,972,923.47 × 368,675.82
  4. Step 4: Simplify right side
    1,315,231.29x = 727,369,179,021.19
  5. Step 5: Solve for x
    x = 727,369,179,021.19/1,315,231.29
  6. Step 6: Final answer
    x = 553,035.18

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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.