Home / 1,405,664.68-2,108,626.64-459,040.36

Finding the Fourth Proportional to 1,405,664.68, 2,108,626.64 and 459,040.36

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Solution

The fourth proportional to 1,405,664.68, 2,108,626.64 and 459,040.36 is: 688,602.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,664.68 : 2,108,626.64 = 459,040.36 : x
  2. Step 2: Convert to fraction form
    1,405,664.68/2,108,626.64 = 459,040.36/x
  3. Step 3: Cross multiply
    1,405,664.68x = 2,108,626.64 × 459,040.36
  4. Step 4: Simplify right side
    1,405,664.68x = 967,944,731,931.19
  5. Step 5: Solve for x
    x = 967,944,731,931.19/1,405,664.68
  6. Step 6: Final answer
    x = 688,602.87

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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.