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Finding the Fourth Proportional to 1,670,502, 2,305,294.38 and 906,555.72

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Solution

The fourth proportional to 1,670,502, 2,305,294.38 and 906,555.72 is: 1,251,047.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,670,502 : 2,305,294.38 = 906,555.72 : x
  2. Step 2: Convert to fraction form
    1,670,502/2,305,294.38 = 906,555.72/x
  3. Step 3: Cross multiply
    1,670,502x = 2,305,294.38 × 906,555.72
  4. Step 4: Simplify right side
    1,670,502x = 2,089,877,806,472.85
  5. Step 5: Solve for x
    x = 2,089,877,806,472.85/1,670,502
  6. Step 6: Final answer
    x = 1,251,047.77

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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.