Home / 1,114,488.45-1,538,011.94-631,040.67

Finding the Fourth Proportional to 1,114,488.45, 1,538,011.94 and 631,040.67

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Solution

The fourth proportional to 1,114,488.45, 1,538,011.94 and 631,040.67 is: 870,846.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,114,488.45 : 1,538,011.94 = 631,040.67 : x
  2. Step 2: Convert to fraction form
    1,114,488.45/1,538,011.94 = 631,040.67/x
  3. Step 3: Cross multiply
    1,114,488.45x = 1,538,011.94 × 631,040.67
  4. Step 4: Simplify right side
    1,114,488.45x = 970,548,081,930.40
  5. Step 5: Solve for x
    x = 970,548,081,930.40/1,114,488.45
  6. Step 6: Final answer
    x = 870,846.25

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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.