Finding the Fourth Proportional to 1,037,926.35, 1,557,099.68 and 438,886.53
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Solution
The fourth proportional to 1,037,926.35, 1,557,099.68 and 438,886.53 is: 658,418.66
Step by Step Solution
- Step 1: Write the proportion equation
1,037,926.35 : 1,557,099.68 = 438,886.53 : x - Step 2: Convert to fraction form
1,037,926.35/1,557,099.68 = 438,886.53/x - Step 3: Cross multiply
1,037,926.35x = 1,557,099.68 × 438,886.53 - Step 4: Simplify right side
1,037,926.35x = 683,390,073,224.88 - Step 5: Solve for x
x = 683,390,073,224.88/1,037,926.35 - Step 6: Final answer
x = 658,418.66
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1.5x scale
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.