Home / 838,238.14-1,251,271.54-775,790.38

Finding the Fourth Proportional to 838,238.14, 1,251,271.54 and 775,790.38

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Solution

The fourth proportional to 838,238.14, 1,251,271.54 and 775,790.38 is: 1,158,053.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,238.14 : 1,251,271.54 = 775,790.38 : x
  2. Step 2: Convert to fraction form
    838,238.14/1,251,271.54 = 775,790.38/x
  3. Step 3: Cross multiply
    838,238.14x = 1,251,271.54 × 775,790.38
  4. Step 4: Simplify right side
    838,238.14x = 970,724,423,499.79
  5. Step 5: Solve for x
    x = 970,724,423,499.79/838,238.14
  6. Step 6: Final answer
    x = 1,158,053.28

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.