Finding the Fourth Proportional to 1,313,598.42, 1,971,135.81 and 714,601.53
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Solution
The fourth proportional to 1,313,598.42, 1,971,135.81 and 714,601.53 is: 1,072,303.87
Step by Step Solution
- Step 1: Write the proportion equation
1,313,598.42 : 1,971,135.81 = 714,601.53 : x - Step 2: Convert to fraction form
1,313,598.42/1,971,135.81 = 714,601.53/x - Step 3: Cross multiply
1,313,598.42x = 1,971,135.81 × 714,601.53 - Step 4: Simplify right side
1,313,598.42x = 1,408,576,665,663.79 - Step 5: Solve for x
x = 1,408,576,665,663.79/1,313,598.42 - Step 6: Final answer
x = 1,072,303.87
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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.