Home / 1,568,461.50-2,164,931.28-1,017,162.54

Finding the Fourth Proportional to 1,568,461.50, 2,164,931.28 and 1,017,162.54

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Solution

The fourth proportional to 1,568,461.50, 2,164,931.28 and 1,017,162.54 is: 1,403,978.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,568,461.50 : 2,164,931.28 = 1,017,162.54 : x
  2. Step 2: Convert to fraction form
    1,568,461.50/2,164,931.28 = 1,017,162.54/x
  3. Step 3: Cross multiply
    1,568,461.50x = 2,164,931.28 × 1,017,162.54
  4. Step 4: Simplify right side
    1,568,461.50x = 2,202,086,999,690.25
  5. Step 5: Solve for x
    x = 2,202,086,999,690.25/1,568,461.50
  6. Step 6: Final answer
    x = 1,403,978.99

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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.