Home / 1,664,918.69-2,297,587.73-900,972.25

Finding the Fourth Proportional to 1,664,918.69, 2,297,587.73 and 900,972.25

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Solution

The fourth proportional to 1,664,918.69, 2,297,587.73 and 900,972.25 is: 1,243,341.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,664,918.69 : 2,297,587.73 = 900,972.25 : x
  2. Step 2: Convert to fraction form
    1,664,918.69/2,297,587.73 = 900,972.25/x
  3. Step 3: Cross multiply
    1,664,918.69x = 2,297,587.73 × 900,972.25
  4. Step 4: Simplify right side
    1,664,918.69x = 2,070,062,776,421.66
  5. Step 5: Solve for x
    x = 2,070,062,776,421.66/1,664,918.69
  6. Step 6: Final answer
    x = 1,243,341.67

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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.