Home / 860,455.02-1,187,678.23-573,974.42

Finding the Fourth Proportional to 860,455.02, 1,187,678.23 and 573,974.42

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Solution

The fourth proportional to 860,455.02, 1,187,678.23 and 573,974.42 is: 792,251.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,455.02 : 1,187,678.23 = 573,974.42 : x
  2. Step 2: Convert to fraction form
    860,455.02/1,187,678.23 = 573,974.42/x
  3. Step 3: Cross multiply
    860,455.02x = 1,187,678.23 × 573,974.42
  4. Step 4: Simplify right side
    860,455.02x = 681,696,918,707.42
  5. Step 5: Solve for x
    x = 681,696,918,707.42/860,455.02
  6. Step 6: Final answer
    x = 792,251.67

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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.