Home / 1,431,632.51-2,147,337.11-832,211.34

Finding the Fourth Proportional to 1,431,632.51, 2,147,337.11 and 832,211.34

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Solution

The fourth proportional to 1,431,632.51, 2,147,337.11 and 832,211.34 is: 1,248,252.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,632.51 : 2,147,337.11 = 832,211.34 : x
  2. Step 2: Convert to fraction form
    1,431,632.51/2,147,337.11 = 832,211.34/x
  3. Step 3: Cross multiply
    1,431,632.51x = 2,147,337.11 × 832,211.34
  4. Step 4: Simplify right side
    1,431,632.51x = 1,787,038,289,583.77
  5. Step 5: Solve for x
    x = 1,787,038,289,583.77/1,431,632.51
  6. Step 6: Final answer
    x = 1,248,252.11

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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.