Home / 1,405,803.56-1,940,152.12-1,013,659.08

Finding the Fourth Proportional to 1,405,803.56, 1,940,152.12 and 1,013,659.08

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Solution

The fourth proportional to 1,405,803.56, 1,940,152.12 and 1,013,659.08 is: 1,398,952.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,803.56 : 1,940,152.12 = 1,013,659.08 : x
  2. Step 2: Convert to fraction form
    1,405,803.56/1,940,152.12 = 1,013,659.08/x
  3. Step 3: Cross multiply
    1,405,803.56x = 1,940,152.12 × 1,013,659.08
  4. Step 4: Simplify right side
    1,405,803.56x = 1,966,652,813,019.25
  5. Step 5: Solve for x
    x = 1,966,652,813,019.25/1,405,803.56
  6. Step 6: Final answer
    x = 1,398,952.79

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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.