Finding the Fourth Proportional to 1,331,646.84, 1,837,686.08 and 719,811.45
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Solution
The fourth proportional to 1,331,646.84, 1,837,686.08 and 719,811.45 is: 993,347.07
Step by Step Solution
- Step 1: Write the proportion equation
1,331,646.84 : 1,837,686.08 = 719,811.45 : x - Step 2: Convert to fraction form
1,331,646.84/1,837,686.08 = 719,811.45/x - Step 3: Cross multiply
1,331,646.84x = 1,837,686.08 × 719,811.45 - Step 4: Simplify right side
1,331,646.84x = 1,322,787,481,889.62 - Step 5: Solve for x
x = 1,322,787,481,889.62/1,331,646.84 - Step 6: Final answer
x = 993,347.07
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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.