Finding the Fourth Proportional to 1,249,671.99, 1,723,257.34 and 1,068,982.05
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Solution
The fourth proportional to 1,249,671.99, 1,723,257.34 and 1,068,982.05 is: 1,474,091.74
Step by Step Solution
- Step 1: Write the proportion equation
1,249,671.99 : 1,723,257.34 = 1,068,982.05 : x - Step 2: Convert to fraction form
1,249,671.99/1,723,257.34 = 1,068,982.05/x - Step 3: Cross multiply
1,249,671.99x = 1,723,257.34 × 1,068,982.05 - Step 4: Simplify right side
1,249,671.99x = 1,842,131,158,645.84 - Step 5: Solve for x
x = 1,842,131,158,645.84/1,249,671.99 - Step 6: Final answer
x = 1,474,091.74
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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.