Home / 1,108,888.53-1,663,081.86-509,273.28

Finding the Fourth Proportional to 1,108,888.53, 1,663,081.86 and 509,273.28

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Solution

The fourth proportional to 1,108,888.53, 1,663,081.86 and 509,273.28 is: 763,794.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,888.53 : 1,663,081.86 = 509,273.28 : x
  2. Step 2: Convert to fraction form
    1,108,888.53/1,663,081.86 = 509,273.28/x
  3. Step 3: Cross multiply
    1,108,888.53x = 1,663,081.86 × 509,273.28
  4. Step 4: Simplify right side
    1,108,888.53x = 846,963,153,750.70
  5. Step 5: Solve for x
    x = 846,963,153,750.70/1,108,888.53
  6. Step 6: Final answer
    x = 763,794.67

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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.