Home / 1,218,582.07-1,681,737.94-674,768.46

Finding the Fourth Proportional to 1,218,582.07, 1,681,737.94 and 674,768.46

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Solution

The fourth proportional to 1,218,582.07, 1,681,737.94 and 674,768.46 is: 931,232.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,582.07 : 1,681,737.94 = 674,768.46 : x
  2. Step 2: Convert to fraction form
    1,218,582.07/1,681,737.94 = 674,768.46/x
  3. Step 3: Cross multiply
    1,218,582.07x = 1,681,737.94 × 674,768.46
  4. Step 4: Simplify right side
    1,218,582.07x = 1,134,783,719,897.37
  5. Step 5: Solve for x
    x = 1,134,783,719,897.37/1,218,582.07
  6. Step 6: Final answer
    x = 931,232.90

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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.