Home / 1,787,120.48-2,466,239.84-971,324.48

Finding the Fourth Proportional to 1,787,120.48, 2,466,239.84 and 971,324.48

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Solution

The fourth proportional to 1,787,120.48, 2,466,239.84 and 971,324.48 is: 1,340,435.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,787,120.48 : 2,466,239.84 = 971,324.48 : x
  2. Step 2: Convert to fraction form
    1,787,120.48/2,466,239.84 = 971,324.48/x
  3. Step 3: Cross multiply
    1,787,120.48x = 2,466,239.84 × 971,324.48
  4. Step 4: Simplify right side
    1,787,120.48x = 2,395,519,130,143.28
  5. Step 5: Solve for x
    x = 2,395,519,130,143.28/1,787,120.48
  6. Step 6: Final answer
    x = 1,340,435.16

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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.