Home / 826,427.40-1,239,505.02-772,630.44

Finding the Fourth Proportional to 826,427.40, 1,239,505.02 and 772,630.44

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Solution

The fourth proportional to 826,427.40, 1,239,505.02 and 772,630.44 is: 1,158,818.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,427.40 : 1,239,505.02 = 772,630.44 : x
  2. Step 2: Convert to fraction form
    826,427.40/1,239,505.02 = 772,630.44/x
  3. Step 3: Cross multiply
    826,427.40x = 1,239,505.02 × 772,630.44
  4. Step 4: Simplify right side
    826,427.40x = 957,679,308,984.81
  5. Step 5: Solve for x
    x = 957,679,308,984.81/826,427.40
  6. Step 6: Final answer
    x = 1,158,818.44

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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.