Finding the Fourth Proportional to 1,196,655.24, 1,651,355.28 and 687,390.36
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Solution
The fourth proportional to 1,196,655.24, 1,651,355.28 and 687,390.36 is: 948,582.07
Step by Step Solution
- Step 1: Write the proportion equation
1,196,655.24 : 1,651,355.28 = 687,390.36 : x - Step 2: Convert to fraction form
1,196,655.24/1,651,355.28 = 687,390.36/x - Step 3: Cross multiply
1,196,655.24x = 1,651,355.28 × 687,390.36 - Step 4: Simplify right side
1,196,655.24x = 1,135,125,700,407.10 - Step 5: Solve for x
x = 1,135,125,700,407.10/1,196,655.24 - Step 6: Final answer
x = 948,582.07
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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.