Home / 1,702,780.77-2,349,853.34-938,861.49

Finding the Fourth Proportional to 1,702,780.77, 2,349,853.34 and 938,861.49

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Solution

The fourth proportional to 1,702,780.77, 2,349,853.34 and 938,861.49 is: 1,295,637.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,702,780.77 : 2,349,853.34 = 938,861.49 : x
  2. Step 2: Convert to fraction form
    1,702,780.77/2,349,853.34 = 938,861.49/x
  3. Step 3: Cross multiply
    1,702,780.77x = 2,349,853.34 × 938,861.49
  4. Step 4: Simplify right side
    1,702,780.77x = 2,206,186,812,191.52
  5. Step 5: Solve for x
    x = 2,206,186,812,191.52/1,702,780.77
  6. Step 6: Final answer
    x = 1,295,637.61

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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.