Home / 1,245,200.40-1,868,675.40-535,737.60

Finding the Fourth Proportional to 1,245,200.40, 1,868,675.40 and 535,737.60

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Solution

The fourth proportional to 1,245,200.40, 1,868,675.40 and 535,737.60 is: 803,982.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,200.40 : 1,868,675.40 = 535,737.60 : x
  2. Step 2: Convert to fraction form
    1,245,200.40/1,868,675.40 = 535,737.60/x
  3. Step 3: Cross multiply
    1,245,200.40x = 1,868,675.40 × 535,737.60
  4. Step 4: Simplify right side
    1,245,200.40x = 1,001,119,673,975.04
  5. Step 5: Solve for x
    x = 1,001,119,673,975.04/1,245,200.40
  6. Step 6: Final answer
    x = 803,982.78

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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.