Home / 1,004,887.05-1,386,749.25-546,002.78

Finding the Fourth Proportional to 1,004,887.05, 1,386,749.25 and 546,002.78

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Solution

The fourth proportional to 1,004,887.05, 1,386,749.25 and 546,002.78 is: 753,486.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,004,887.05 : 1,386,749.25 = 546,002.78 : x
  2. Step 2: Convert to fraction form
    1,004,887.05/1,386,749.25 = 546,002.78/x
  3. Step 3: Cross multiply
    1,004,887.05x = 1,386,749.25 × 546,002.78
  4. Step 4: Simplify right side
    1,004,887.05x = 757,168,938,729.17
  5. Step 5: Solve for x
    x = 757,168,938,729.17/1,004,887.05
  6. Step 6: Final answer
    x = 753,486.61

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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.