Home / 1,021,623.79-1,409,788.72-562,728.48

Finding the Fourth Proportional to 1,021,623.79, 1,409,788.72 and 562,728.48

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Solution

The fourth proportional to 1,021,623.79, 1,409,788.72 and 562,728.48 is: 776,536.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,623.79 : 1,409,788.72 = 562,728.48 : x
  2. Step 2: Convert to fraction form
    1,021,623.79/1,409,788.72 = 562,728.48/x
  3. Step 3: Cross multiply
    1,021,623.79x = 1,409,788.72 × 562,728.48
  4. Step 4: Simplify right side
    1,021,623.79x = 793,328,268,456.18
  5. Step 5: Solve for x
    x = 793,328,268,456.18/1,021,623.79
  6. Step 6: Final answer
    x = 776,536.60

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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.