Home / 1,139,749.70-1,709,624.55-474,815.30

Finding the Fourth Proportional to 1,139,749.70, 1,709,624.55 and 474,815.30

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Solution

The fourth proportional to 1,139,749.70, 1,709,624.55 and 474,815.30 is: 712,222.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,749.70 : 1,709,624.55 = 474,815.30 : x
  2. Step 2: Convert to fraction form
    1,139,749.70/1,709,624.55 = 474,815.30/x
  3. Step 3: Cross multiply
    1,139,749.70x = 1,709,624.55 × 474,815.30
  4. Step 4: Simplify right side
    1,139,749.70x = 811,755,893,595.62
  5. Step 5: Solve for x
    x = 811,755,893,595.62/1,139,749.70
  6. Step 6: Final answer
    x = 712,222.95

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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.