Home / 1,021,311.81-1,409,398.79-562,417.11

Finding the Fourth Proportional to 1,021,311.81, 1,409,398.79 and 562,417.11

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Solution

The fourth proportional to 1,021,311.81, 1,409,398.79 and 562,417.11 is: 776,129.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,311.81 : 1,409,398.79 = 562,417.11 : x
  2. Step 2: Convert to fraction form
    1,021,311.81/1,409,398.79 = 562,417.11/x
  3. Step 3: Cross multiply
    1,021,311.81x = 1,409,398.79 × 562,417.11
  4. Step 4: Simplify right side
    1,021,311.81x = 792,669,991,497.21
  5. Step 5: Solve for x
    x = 792,669,991,497.21/1,021,311.81
  6. Step 6: Final answer
    x = 776,129.27

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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.