Home / 1,664,911.77-2,297,578.23-900,965.33

Finding the Fourth Proportional to 1,664,911.77, 2,297,578.23 and 900,965.33

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Solution

The fourth proportional to 1,664,911.77, 2,297,578.23 and 900,965.33 is: 1,243,332.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,664,911.77 : 2,297,578.23 = 900,965.33 : x
  2. Step 2: Convert to fraction form
    1,664,911.77/2,297,578.23 = 900,965.33/x
  3. Step 3: Cross multiply
    1,664,911.77x = 2,297,578.23 × 900,965.33
  4. Step 4: Simplify right side
    1,664,911.77x = 2,070,038,325,320.79
  5. Step 5: Solve for x
    x = 2,070,038,325,320.79/1,664,911.77
  6. Step 6: Final answer
    x = 1,243,332.15

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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.