Home / 860,451.58-1,286,899.53-766,344.70

Finding the Fourth Proportional to 860,451.58, 1,286,899.53 and 766,344.70

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Solution

The fourth proportional to 860,451.58, 1,286,899.53 and 766,344.70 is: 1,146,152.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,451.58 : 1,286,899.53 = 766,344.70 : x
  2. Step 2: Convert to fraction form
    860,451.58/1,286,899.53 = 766,344.70/x
  3. Step 3: Cross multiply
    860,451.58x = 1,286,899.53 × 766,344.70
  4. Step 4: Simplify right side
    860,451.58x = 986,208,634,247.99
  5. Step 5: Solve for x
    x = 986,208,634,247.99/860,451.58
  6. Step 6: Final answer
    x = 1,146,152.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.