Finding the Fourth Proportional to 1,053,913.58, 1,455,239.13 and 973,311.62
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Solution
The fourth proportional to 1,053,913.58, 1,455,239.13 and 973,311.62 is: 1,343,944.31
Step by Step Solution
- Step 1: Write the proportion equation
1,053,913.58 : 1,455,239.13 = 973,311.62 : x - Step 2: Convert to fraction form
1,053,913.58/1,455,239.13 = 973,311.62/x - Step 3: Cross multiply
1,053,913.58x = 1,455,239.13 × 973,311.62 - Step 4: Simplify right side
1,053,913.58x = 1,416,401,155,107.69 - Step 5: Solve for x
x = 1,416,401,155,107.69/1,053,913.58 - Step 6: Final answer
x = 1,343,944.31
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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.