Home / 947,823.20-1,421,734.80-735,246.80

Finding the Fourth Proportional to 947,823.20, 1,421,734.80 and 735,246.80

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Solution

The fourth proportional to 947,823.20, 1,421,734.80 and 735,246.80 is: 1,102,870.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,823.20 : 1,421,734.80 = 735,246.80 : x
  2. Step 2: Convert to fraction form
    947,823.20/1,421,734.80 = 735,246.80/x
  3. Step 3: Cross multiply
    947,823.20x = 1,421,734.80 × 735,246.80
  4. Step 4: Simplify right side
    947,823.20x = 1,045,325,962,148.64
  5. Step 5: Solve for x
    x = 1,045,325,962,148.64/947,823.20
  6. Step 6: Final answer
    x = 1,102,870.20

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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.