Home / 872,066.21-1,204,038.50-779,899.14

Finding the Fourth Proportional to 872,066.21, 1,204,038.50 and 779,899.14

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Solution

The fourth proportional to 872,066.21, 1,204,038.50 and 779,899.14 is: 1,076,785.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,066.21 : 1,204,038.50 = 779,899.14 : x
  2. Step 2: Convert to fraction form
    872,066.21/1,204,038.50 = 779,899.14/x
  3. Step 3: Cross multiply
    872,066.21x = 1,204,038.50 × 779,899.14
  4. Step 4: Simplify right side
    872,066.21x = 939,028,586,777.39
  5. Step 5: Solve for x
    x = 939,028,586,777.39/872,066.21
  6. Step 6: Final answer
    x = 1,076,785.89

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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.