Home / 1,186,348.56-1,637,323.89-727,381.96

Finding the Fourth Proportional to 1,186,348.56, 1,637,323.89 and 727,381.96

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Solution

The fourth proportional to 1,186,348.56, 1,637,323.89 and 727,381.96 is: 1,003,886.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,348.56 : 1,637,323.89 = 727,381.96 : x
  2. Step 2: Convert to fraction form
    1,186,348.56/1,637,323.89 = 727,381.96/x
  3. Step 3: Cross multiply
    1,186,348.56x = 1,637,323.89 × 727,381.96
  4. Step 4: Simplify right side
    1,186,348.56x = 1,190,959,860,263.02
  5. Step 5: Solve for x
    x = 1,190,959,860,263.02/1,186,348.56
  6. Step 6: Final answer
    x = 1,003,886.97

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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.