Home / 1,237,130.20-1,707,153.42-685,840.46

Finding the Fourth Proportional to 1,237,130.20, 1,707,153.42 and 685,840.46

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Solution

The fourth proportional to 1,237,130.20, 1,707,153.42 and 685,840.46 is: 946,412.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,237,130.20 : 1,707,153.42 = 685,840.46 : x
  2. Step 2: Convert to fraction form
    1,237,130.20/1,707,153.42 = 685,840.46/x
  3. Step 3: Cross multiply
    1,237,130.20x = 1,707,153.42 × 685,840.46
  4. Step 4: Simplify right side
    1,237,130.20x = 1,170,834,886,863.37
  5. Step 5: Solve for x
    x = 1,170,834,886,863.37/1,237,130.20
  6. Step 6: Final answer
    x = 946,412.02

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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.