Home / 1,685,686.53-2,324,259.72-1,362,396.90

Finding the Fourth Proportional to 1,685,686.53, 2,324,259.72 and 1,362,396.90

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Solution

The fourth proportional to 1,685,686.53, 2,324,259.72 and 1,362,396.90 is: 1,878,501.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,685,686.53 : 2,324,259.72 = 1,362,396.90 : x
  2. Step 2: Convert to fraction form
    1,685,686.53/2,324,259.72 = 1,362,396.90/x
  3. Step 3: Cross multiply
    1,685,686.53x = 2,324,259.72 × 1,362,396.90
  4. Step 4: Simplify right side
    1,685,686.53x = 3,166,564,237,322.87
  5. Step 5: Solve for x
    x = 3,166,564,237,322.87/1,685,686.53
  6. Step 6: Final answer
    x = 1,878,501.24

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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.