Home / 1,021,280.85-1,409,342.07-562,391.76

Finding the Fourth Proportional to 1,021,280.85, 1,409,342.07 and 562,391.76

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Solution

The fourth proportional to 1,021,280.85, 1,409,342.07 and 562,391.76 is: 776,086.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,280.85 : 1,409,342.07 = 562,391.76 : x
  2. Step 2: Convert to fraction form
    1,021,280.85/1,409,342.07 = 562,391.76/x
  3. Step 3: Cross multiply
    1,021,280.85x = 1,409,342.07 × 562,391.76
  4. Step 4: Simplify right side
    1,021,280.85x = 792,602,367,189.34
  5. Step 5: Solve for x
    x = 792,602,367,189.34/1,021,280.85
  6. Step 6: Final answer
    x = 776,086.58

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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.