Finding the Fourth Proportional to 1,385,037.53, 2,078,214.21 and 959,228.63
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Solution
The fourth proportional to 1,385,037.53, 2,078,214.21 and 959,228.63 is: 1,439,298.59
Step by Step Solution
- Step 1: Write the proportion equation
1,385,037.53 : 2,078,214.21 = 959,228.63 : x - Step 2: Convert to fraction form
1,385,037.53/2,078,214.21 = 959,228.63/x - Step 3: Cross multiply
1,385,037.53x = 2,078,214.21 × 959,228.63 - Step 4: Simplify right side
1,385,037.53x = 1,993,482,554,317.62 - Step 5: Solve for x
x = 1,993,482,554,317.62/1,385,037.53 - Step 6: Final answer
x = 1,439,298.59
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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.