Home / 1,284,994.50-1,773,331.29-711,981.06

Finding the Fourth Proportional to 1,284,994.50, 1,773,331.29 and 711,981.06

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Solution

The fourth proportional to 1,284,994.50, 1,773,331.29 and 711,981.06 is: 982,555.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,994.50 : 1,773,331.29 = 711,981.06 : x
  2. Step 2: Convert to fraction form
    1,284,994.50/1,773,331.29 = 711,981.06/x
  3. Step 3: Cross multiply
    1,284,994.50x = 1,773,331.29 × 711,981.06
  4. Step 4: Simplify right side
    1,284,994.50x = 1,262,578,291,585.37
  5. Step 5: Solve for x
    x = 1,262,578,291,585.37/1,284,994.50
  6. Step 6: Final answer
    x = 982,555.41

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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.