Finding the Fourth Proportional to 1,053,913.08, 1,455,238.44 and 973,311.12
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Solution
The fourth proportional to 1,053,913.08, 1,455,238.44 and 973,311.12 is: 1,343,943.62
Step by Step Solution
- Step 1: Write the proportion equation
1,053,913.08 : 1,455,238.44 = 973,311.12 : x - Step 2: Convert to fraction form
1,053,913.08/1,455,238.44 = 973,311.12/x - Step 3: Cross multiply
1,053,913.08x = 1,455,238.44 × 973,311.12 - Step 4: Simplify right side
1,053,913.08x = 1,416,399,755,903.45 - Step 5: Solve for x
x = 1,416,399,755,903.45/1,053,913.08 - Step 6: Final answer
x = 1,343,943.62
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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.