Home / 1,431,222.07-2,147,897.38-578,301.14

Finding the Fourth Proportional to 1,431,222.07, 2,147,897.38 and 578,301.14

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Solution

The fourth proportional to 1,431,222.07, 2,147,897.38 and 578,301.14 is: 867,881.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,222.07 : 2,147,897.38 = 578,301.14 : x
  2. Step 2: Convert to fraction form
    1,431,222.07/2,147,897.38 = 578,301.14/x
  3. Step 3: Cross multiply
    1,431,222.07x = 2,147,897.38 × 578,301.14
  4. Step 4: Simplify right side
    1,431,222.07x = 1,242,131,501,117.56
  5. Step 5: Solve for x
    x = 1,242,131,501,117.56/1,431,222.07
  6. Step 6: Final answer
    x = 867,881.74

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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.