Home / 1,264,517.96-1,896,811.50-423,039.56

Finding the Fourth Proportional to 1,264,517.96, 1,896,811.50 and 423,039.56

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Solution

The fourth proportional to 1,264,517.96, 1,896,811.50 and 423,039.56 is: 634,570.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,264,517.96 : 1,896,811.50 = 423,039.56 : x
  2. Step 2: Convert to fraction form
    1,264,517.96/1,896,811.50 = 423,039.56/x
  3. Step 3: Cross multiply
    1,264,517.96x = 1,896,811.50 × 423,039.56
  4. Step 4: Simplify right side
    1,264,517.96x = 802,426,302,362.94
  5. Step 5: Solve for x
    x = 802,426,302,362.94/1,264,517.96
  6. Step 6: Final answer
    x = 634,570.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.