Home / 860,125.18-1,187,003.19-472,969.96

Finding the Fourth Proportional to 860,125.18, 1,187,003.19 and 472,969.96

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Solution

The fourth proportional to 860,125.18, 1,187,003.19 and 472,969.96 is: 652,715.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,125.18 : 1,187,003.19 = 472,969.96 : x
  2. Step 2: Convert to fraction form
    860,125.18/1,187,003.19 = 472,969.96/x
  3. Step 3: Cross multiply
    860,125.18x = 1,187,003.19 × 472,969.96
  4. Step 4: Simplify right side
    860,125.18x = 561,416,851,294.17
  5. Step 5: Solve for x
    x = 561,416,851,294.17/860,125.18
  6. Step 6: Final answer
    x = 652,715.28

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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.