Finding the Fourth Proportional to 1,127,465.15, 1,691,197.74 and 975,209.76
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Solution
The fourth proportional to 1,127,465.15, 1,691,197.74 and 975,209.76 is: 1,462,814.66
Step by Step Solution
- Step 1: Write the proportion equation
1,127,465.15 : 1,691,197.74 = 975,209.76 : x - Step 2: Convert to fraction form
1,127,465.15/1,691,197.74 = 975,209.76/x - Step 3: Cross multiply
1,127,465.15x = 1,691,197.74 × 975,209.76 - Step 4: Simplify right side
1,127,465.15x = 1,649,272,542,137.94 - Step 5: Solve for x
x = 1,649,272,542,137.94/1,127,465.15 - Step 6: Final answer
x = 1,462,814.66
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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.