Finding the Fourth Proportional to 1,174,818.24, 1,621,148.40 and 651,543.84
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Solution
The fourth proportional to 1,174,818.24, 1,621,148.40 and 651,543.84 is: 899,074.61
Step by Step Solution
- Step 1: Write the proportion equation
1,174,818.24 : 1,621,148.40 = 651,543.84 : x - Step 2: Convert to fraction form
1,174,818.24/1,621,148.40 = 651,543.84/x - Step 3: Cross multiply
1,174,818.24x = 1,621,148.40 × 651,543.84 - Step 4: Simplify right side
1,174,818.24x = 1,056,249,253,745.86 - Step 5: Solve for x
x = 1,056,249,253,745.86/1,174,818.24 - Step 6: Final answer
x = 899,074.61
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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.