Home / 991,049.60-1,486,574.40-816,089.60

Finding the Fourth Proportional to 991,049.60, 1,486,574.40 and 816,089.60

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Solution

The fourth proportional to 991,049.60, 1,486,574.40 and 816,089.60 is: 1,224,134.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,049.60 : 1,486,574.40 = 816,089.60 : x
  2. Step 2: Convert to fraction form
    991,049.60/1,486,574.40 = 816,089.60/x
  3. Step 3: Cross multiply
    991,049.60x = 1,486,574.40 × 816,089.60
  4. Step 4: Simplify right side
    991,049.60x = 1,213,177,907,466.24
  5. Step 5: Solve for x
    x = 1,213,177,907,466.24/991,049.60
  6. Step 6: Final answer
    x = 1,224,134.40

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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.