Home / 1,021,660.80-1,409,874.60-562,818.24

Finding the Fourth Proportional to 1,021,660.80, 1,409,874.60 and 562,818.24

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Solution

The fourth proportional to 1,021,660.80, 1,409,874.60 and 562,818.24 is: 776,679.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,660.80 : 1,409,874.60 = 562,818.24 : x
  2. Step 2: Convert to fraction form
    1,021,660.80/1,409,874.60 = 562,818.24/x
  3. Step 3: Cross multiply
    1,021,660.80x = 1,409,874.60 × 562,818.24
  4. Step 4: Simplify right side
    1,021,660.80x = 793,503,140,992.70
  5. Step 5: Solve for x
    x = 793,503,140,992.70/1,021,660.80
  6. Step 6: Final answer
    x = 776,679.64

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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.