Finding the Fourth Proportional to 1,298,440.53, 1,791,777.51 and 725,369.99
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Solution
The fourth proportional to 1,298,440.53, 1,791,777.51 and 725,369.99 is: 1,000,971.24
Step by Step Solution
- Step 1: Write the proportion equation
1,298,440.53 : 1,791,777.51 = 725,369.99 : x - Step 2: Convert to fraction form
1,298,440.53/1,791,777.51 = 725,369.99/x - Step 3: Cross multiply
1,298,440.53x = 1,791,777.51 × 725,369.99 - Step 4: Simplify right side
1,298,440.53x = 1,299,701,625,552.04 - Step 5: Solve for x
x = 1,299,701,625,552.04/1,298,440.53 - Step 6: Final answer
x = 1,000,971.24
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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.