Home / 1,259,485.92-1,889,237.38-460,438.74

Finding the Fourth Proportional to 1,259,485.92, 1,889,237.38 and 460,438.74

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Solution

The fourth proportional to 1,259,485.92, 1,889,237.38 and 460,438.74 is: 690,661.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,485.92 : 1,889,237.38 = 460,438.74 : x
  2. Step 2: Convert to fraction form
    1,259,485.92/1,889,237.38 = 460,438.74/x
  3. Step 3: Cross multiply
    1,259,485.92x = 1,889,237.38 × 460,438.74
  4. Step 4: Simplify right side
    1,259,485.92x = 869,878,078,808.10
  5. Step 5: Solve for x
    x = 869,878,078,808.10/1,259,485.92
  6. Step 6: Final answer
    x = 690,661.22

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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.