Home / 1,098,281.70-1,515,810.11-753,834.67

Finding the Fourth Proportional to 1,098,281.70, 1,515,810.11 and 753,834.67

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Solution

The fourth proportional to 1,098,281.70, 1,515,810.11 and 753,834.67 is: 1,040,416.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,281.70 : 1,515,810.11 = 753,834.67 : x
  2. Step 2: Convert to fraction form
    1,098,281.70/1,515,810.11 = 753,834.67/x
  3. Step 3: Cross multiply
    1,098,281.70x = 1,515,810.11 × 753,834.67
  4. Step 4: Simplify right side
    1,098,281.70x = 1,142,670,206,495.82
  5. Step 5: Solve for x
    x = 1,142,670,206,495.82/1,098,281.70
  6. Step 6: Final answer
    x = 1,040,416.32

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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.