Home / 1,359,865.42-1,875,189.44-1,015,148.44

Finding the Fourth Proportional to 1,359,865.42, 1,875,189.44 and 1,015,148.44

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Solution

The fourth proportional to 1,359,865.42, 1,875,189.44 and 1,015,148.44 is: 1,399,841.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,359,865.42 : 1,875,189.44 = 1,015,148.44 : x
  2. Step 2: Convert to fraction form
    1,359,865.42/1,875,189.44 = 1,015,148.44/x
  3. Step 3: Cross multiply
    1,359,865.42x = 1,875,189.44 × 1,015,148.44
  4. Step 4: Simplify right side
    1,359,865.42x = 1,903,595,634,720.47
  5. Step 5: Solve for x
    x = 1,903,595,634,720.47/1,359,865.42
  6. Step 6: Final answer
    x = 1,399,841.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.