Home / 845,745.61-1,165,999.87-671,892.67

Finding the Fourth Proportional to 845,745.61, 1,165,999.87 and 671,892.67

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Solution

The fourth proportional to 845,745.61, 1,165,999.87 and 671,892.67 is: 926,314.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,745.61 : 1,165,999.87 = 671,892.67 : x
  2. Step 2: Convert to fraction form
    845,745.61/1,165,999.87 = 671,892.67/x
  3. Step 3: Cross multiply
    845,745.61x = 1,165,999.87 × 671,892.67
  4. Step 4: Simplify right side
    845,745.61x = 783,426,765,873.95
  5. Step 5: Solve for x
    x = 783,426,765,873.95/845,745.61
  6. Step 6: Final answer
    x = 926,314.91

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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.