Home / 889,148.20-1,329,785.70-747,430.60

Finding the Fourth Proportional to 889,148.20, 1,329,785.70 and 747,430.60

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Solution

The fourth proportional to 889,148.20, 1,329,785.70 and 747,430.60 is: 1,117,836.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,148.20 : 1,329,785.70 = 747,430.60 : x
  2. Step 2: Convert to fraction form
    889,148.20/1,329,785.70 = 747,430.60/x
  3. Step 3: Cross multiply
    889,148.20x = 1,329,785.70 × 747,430.60
  4. Step 4: Simplify right side
    889,148.20x = 993,922,523,622.42
  5. Step 5: Solve for x
    x = 993,922,523,622.42/889,148.20
  6. Step 6: Final answer
    x = 1,117,836.74

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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.