Home / 1,218,529.37-1,681,623.07-674,665.14

Finding the Fourth Proportional to 1,218,529.37, 1,681,623.07 and 674,665.14

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Solution

The fourth proportional to 1,218,529.37, 1,681,623.07 and 674,665.14 is: 931,066.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,529.37 : 1,681,623.07 = 674,665.14 : x
  2. Step 2: Convert to fraction form
    1,218,529.37/1,681,623.07 = 674,665.14/x
  3. Step 3: Cross multiply
    1,218,529.37x = 1,681,623.07 × 674,665.14
  4. Step 4: Simplify right side
    1,218,529.37x = 1,134,532,463,948.78
  5. Step 5: Solve for x
    x = 1,134,532,463,948.78/1,218,529.37
  6. Step 6: Final answer
    x = 931,066.98

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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.