Finding the Fourth Proportional to 1,367,873.48, 1,887,763.14 and 756,013.08
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Solution
The fourth proportional to 1,367,873.48, 1,887,763.14 and 756,013.08 is: 1,043,352.07
Step by Step Solution
- Step 1: Write the proportion equation
1,367,873.48 : 1,887,763.14 = 756,013.08 : x - Step 2: Convert to fraction form
1,367,873.48/1,887,763.14 = 756,013.08/x - Step 3: Cross multiply
1,367,873.48x = 1,887,763.14 × 756,013.08 - Step 4: Simplify right side
1,367,873.48x = 1,427,173,625,781.87 - Step 5: Solve for x
x = 1,427,173,625,781.87/1,367,873.48 - Step 6: Final answer
x = 1,043,352.07
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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.