Home / 851,030.40-1,275,233.40-738,181.20

Finding the Fourth Proportional to 851,030.40, 1,275,233.40 and 738,181.20

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Solution

The fourth proportional to 851,030.40, 1,275,233.40 and 738,181.20 is: 1,106,133.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,030.40 : 1,275,233.40 = 738,181.20 : x
  2. Step 2: Convert to fraction form
    851,030.40/1,275,233.40 = 738,181.20/x
  3. Step 3: Cross multiply
    851,030.40x = 1,275,233.40 × 738,181.20
  4. Step 4: Simplify right side
    851,030.40x = 941,353,321,492.08
  5. Step 5: Solve for x
    x = 941,353,321,492.08/851,030.40
  6. Step 6: Final answer
    x = 1,106,133.60

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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.