Home / 947,866.12-1,421,011.86-662,741.44

Finding the Fourth Proportional to 947,866.12, 1,421,011.86 and 662,741.44

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Solution

The fourth proportional to 947,866.12, 1,421,011.86 and 662,741.44 is: 993,561.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,866.12 : 1,421,011.86 = 662,741.44 : x
  2. Step 2: Convert to fraction form
    947,866.12/1,421,011.86 = 662,741.44/x
  3. Step 3: Cross multiply
    947,866.12x = 1,421,011.86 × 662,741.44
  4. Step 4: Simplify right side
    947,866.12x = 941,763,446,353.48
  5. Step 5: Solve for x
    x = 941,763,446,353.48/947,866.12
  6. Step 6: Final answer
    x = 993,561.67

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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.