Home / 1,372,810.32-2,057,990.40-698,514.48

Finding the Fourth Proportional to 1,372,810.32, 2,057,990.40 and 698,514.48

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Solution

The fourth proportional to 1,372,810.32, 2,057,990.40 and 698,514.48 is: 1,047,148.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,372,810.32 : 2,057,990.40 = 698,514.48 : x
  2. Step 2: Convert to fraction form
    1,372,810.32/2,057,990.40 = 698,514.48/x
  3. Step 3: Cross multiply
    1,372,810.32x = 2,057,990.40 × 698,514.48
  4. Step 4: Simplify right side
    1,372,810.32x = 1,437,536,094,100.99
  5. Step 5: Solve for x
    x = 1,437,536,094,100.99/1,372,810.32
  6. Step 6: Final answer
    x = 1,047,148.37

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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.