Home / 1,627,800.80-2,441,701.20-831,538.40

Finding the Fourth Proportional to 1,627,800.80, 2,441,701.20 and 831,538.40

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Solution

The fourth proportional to 1,627,800.80, 2,441,701.20 and 831,538.40 is: 1,247,307.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,627,800.80 : 2,441,701.20 = 831,538.40 : x
  2. Step 2: Convert to fraction form
    1,627,800.80/2,441,701.20 = 831,538.40/x
  3. Step 3: Cross multiply
    1,627,800.80x = 2,441,701.20 × 831,538.40
  4. Step 4: Simplify right side
    1,627,800.80x = 2,030,368,309,126.08
  5. Step 5: Solve for x
    x = 2,030,368,309,126.08/1,627,800.80
  6. Step 6: Final answer
    x = 1,247,307.60

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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.