Home / 1,600,470.72-2,208,511.40-902,713.11

Finding the Fourth Proportional to 1,600,470.72, 2,208,511.40 and 902,713.11

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Solution

The fourth proportional to 1,600,470.72, 2,208,511.40 and 902,713.11 is: 1,245,666.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,600,470.72 : 2,208,511.40 = 902,713.11 : x
  2. Step 2: Convert to fraction form
    1,600,470.72/2,208,511.40 = 902,713.11/x
  3. Step 3: Cross multiply
    1,600,470.72x = 2,208,511.40 × 902,713.11
  4. Step 4: Simplify right side
    1,600,470.72x = 1,993,652,189,850.89
  5. Step 5: Solve for x
    x = 1,993,652,189,850.89/1,600,470.72
  6. Step 6: Final answer
    x = 1,245,666.14

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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.