Home / 1,021,315.56-1,409,403.96-562,420.86

Finding the Fourth Proportional to 1,021,315.56, 1,409,403.96 and 562,420.86

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Solution

The fourth proportional to 1,021,315.56, 1,409,403.96 and 562,420.86 is: 776,134.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,315.56 : 1,409,403.96 = 562,420.86 : x
  2. Step 2: Convert to fraction form
    1,021,315.56/1,409,403.96 = 562,420.86/x
  3. Step 3: Cross multiply
    1,021,315.56x = 1,409,403.96 × 562,420.86
  4. Step 4: Simplify right side
    1,021,315.56x = 792,678,187,270.61
  5. Step 5: Solve for x
    x = 792,678,187,270.61/1,021,315.56
  6. Step 6: Final answer
    x = 776,134.45

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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.