Home / 1,787,130.98-2,466,265.74-971,334.42

Finding the Fourth Proportional to 1,787,130.98, 2,466,265.74 and 971,334.42

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Solution

The fourth proportional to 1,787,130.98, 2,466,265.74 and 971,334.42 is: 1,340,455.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,787,130.98 : 2,466,265.74 = 971,334.42 : x
  2. Step 2: Convert to fraction form
    1,787,130.98/2,466,265.74 = 971,334.42/x
  3. Step 3: Cross multiply
    1,787,130.98x = 2,466,265.74 × 971,334.42
  4. Step 4: Simplify right side
    1,787,130.98x = 2,395,568,802,128.77
  5. Step 5: Solve for x
    x = 2,395,568,802,128.77/1,787,130.98
  6. Step 6: Final answer
    x = 1,340,455.08

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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.