Home / 1,098,558.47-1,647,235.67-340,189.40

Finding the Fourth Proportional to 1,098,558.47, 1,647,235.67 and 340,189.40

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Solution

The fourth proportional to 1,098,558.47, 1,647,235.67 and 340,189.40 is: 510,097.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,558.47 : 1,647,235.67 = 340,189.40 : x
  2. Step 2: Convert to fraction form
    1,098,558.47/1,647,235.67 = 340,189.40/x
  3. Step 3: Cross multiply
    1,098,558.47x = 1,647,235.67 × 340,189.40
  4. Step 4: Simplify right side
    1,098,558.47x = 560,372,116,653.04
  5. Step 5: Solve for x
    x = 560,372,116,653.04/1,098,558.47
  6. Step 6: Final answer
    x = 510,097.67

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1.5x scale

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.