Finding the Fourth Proportional to 1,334,319.60, 1,839,530.64 and 844,045.20
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Solution
The fourth proportional to 1,334,319.60, 1,839,530.64 and 844,045.20 is: 1,163,624.52
Step by Step Solution
- Step 1: Write the proportion equation
1,334,319.60 : 1,839,530.64 = 844,045.20 : x - Step 2: Convert to fraction form
1,334,319.60/1,839,530.64 = 844,045.20/x - Step 3: Cross multiply
1,334,319.60x = 1,839,530.64 × 844,045.20 - Step 4: Simplify right side
1,334,319.60x = 1,552,647,006,944.93 - Step 5: Solve for x
x = 1,552,647,006,944.93/1,334,319.60 - Step 6: Final answer
x = 1,163,624.52
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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.