Finding the Fourth Proportional to 1,099,176.14, 1,516,862.76 and 602,457.18
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Solution
The fourth proportional to 1,099,176.14, 1,516,862.76 and 602,457.18 is: 831,390.74
Step by Step Solution
- Step 1: Write the proportion equation
1,099,176.14 : 1,516,862.76 = 602,457.18 : x - Step 2: Convert to fraction form
1,099,176.14/1,516,862.76 = 602,457.18/x - Step 3: Cross multiply
1,099,176.14x = 1,516,862.76 × 602,457.18 - Step 4: Simplify right side
1,099,176.14x = 913,844,863,524.43 - Step 5: Solve for x
x = 913,844,863,524.43/1,099,176.14 - Step 6: Final answer
x = 831,390.74
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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.