Home / 1,501,679.17-2,072,369.01-822,615.67

Finding the Fourth Proportional to 1,501,679.17, 2,072,369.01 and 822,615.67

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Solution

The fourth proportional to 1,501,679.17, 2,072,369.01 and 822,615.67 is: 1,135,237.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,501,679.17 : 2,072,369.01 = 822,615.67 : x
  2. Step 2: Convert to fraction form
    1,501,679.17/2,072,369.01 = 822,615.67/x
  3. Step 3: Cross multiply
    1,501,679.17x = 2,072,369.01 × 822,615.67
  4. Step 4: Simplify right side
    1,501,679.17x = 1,704,763,221,648.39
  5. Step 5: Solve for x
    x = 1,704,763,221,648.39/1,501,679.17
  6. Step 6: Final answer
    x = 1,135,237.98

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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.