Finding the Fourth Proportional to 1,246,722.84, 1,720,477.80 and 710,178.84
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Solution
The fourth proportional to 1,246,722.84, 1,720,477.80 and 710,178.84 is: 980,046.96
Step by Step Solution
- Step 1: Write the proportion equation
1,246,722.84 : 1,720,477.80 = 710,178.84 : x - Step 2: Convert to fraction form
1,246,722.84/1,720,477.80 = 710,178.84/x - Step 3: Cross multiply
1,246,722.84x = 1,720,477.80 × 710,178.84 - Step 4: Simplify right side
1,246,722.84x = 1,221,846,928,249.75 - Step 5: Solve for x
x = 1,221,846,928,249.75/1,246,722.84 - Step 6: Final answer
x = 980,046.96
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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.