Home / 1,312,662.96-1,811,875.37-761,517.90

Finding the Fourth Proportional to 1,312,662.96, 1,811,875.37 and 761,517.90

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Solution

The fourth proportional to 1,312,662.96, 1,811,875.37 and 761,517.90 is: 1,051,127.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,662.96 : 1,811,875.37 = 761,517.90 : x
  2. Step 2: Convert to fraction form
    1,312,662.96/1,811,875.37 = 761,517.90/x
  3. Step 3: Cross multiply
    1,312,662.96x = 1,811,875.37 × 761,517.90
  4. Step 4: Simplify right side
    1,312,662.96x = 1,379,775,523,016.53
  5. Step 5: Solve for x
    x = 1,379,775,523,016.53/1,312,662.96
  6. Step 6: Final answer
    x = 1,051,127.03

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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.