Home / 1,118,200.75-1,675,749.32-509,501.48

Finding the Fourth Proportional to 1,118,200.75, 1,675,749.32 and 509,501.48

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Solution

The fourth proportional to 1,118,200.75, 1,675,749.32 and 509,501.48 is: 763,545.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,200.75 : 1,675,749.32 = 509,501.48 : x
  2. Step 2: Convert to fraction form
    1,118,200.75/1,675,749.32 = 509,501.48/x
  3. Step 3: Cross multiply
    1,118,200.75x = 1,675,749.32 × 509,501.48
  4. Step 4: Simplify right side
    1,118,200.75x = 853,796,747,722.74
  5. Step 5: Solve for x
    x = 853,796,747,722.74/1,118,200.75
  6. Step 6: Final answer
    x = 763,545.14

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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.