Home / 1,673,885.62-2,310,214.32-1,020,890.47

Finding the Fourth Proportional to 1,673,885.62, 2,310,214.32 and 1,020,890.47

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Solution

The fourth proportional to 1,673,885.62, 2,310,214.32 and 1,020,890.47 is: 1,408,982.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,673,885.62 : 2,310,214.32 = 1,020,890.47 : x
  2. Step 2: Convert to fraction form
    1,673,885.62/2,310,214.32 = 1,020,890.47/x
  3. Step 3: Cross multiply
    1,673,885.62x = 2,310,214.32 × 1,020,890.47
  4. Step 4: Simplify right side
    1,673,885.62x = 2,358,475,782,945.53
  5. Step 5: Solve for x
    x = 2,358,475,782,945.53/1,673,885.62
  6. Step 6: Final answer
    x = 1,408,982.64

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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.