Home / 1,664,610.09-2,297,158.43-900,663.45

Finding the Fourth Proportional to 1,664,610.09, 2,297,158.43 and 900,663.45

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Solution

The fourth proportional to 1,664,610.09, 2,297,158.43 and 900,663.45 is: 1,242,913.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,664,610.09 : 2,297,158.43 = 900,663.45 : x
  2. Step 2: Convert to fraction form
    1,664,610.09/2,297,158.43 = 900,663.45/x
  3. Step 3: Cross multiply
    1,664,610.09x = 2,297,158.43 × 900,663.45
  4. Step 4: Simplify right side
    1,664,610.09x = 2,068,966,632,257.07
  5. Step 5: Solve for x
    x = 2,068,966,632,257.07/1,664,610.09
  6. Step 6: Final answer
    x = 1,242,913.67

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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.