Finding the Fourth Proportional to 1,374,459.09, 1,896,981.08 and 762,808.31
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Solution
The fourth proportional to 1,374,459.09, 1,896,981.08 and 762,808.31 is: 1,052,801.75
Step by Step Solution
- Step 1: Write the proportion equation
1,374,459.09 : 1,896,981.08 = 762,808.31 : x - Step 2: Convert to fraction form
1,374,459.09/1,896,981.08 = 762,808.31/x - Step 3: Cross multiply
1,374,459.09x = 1,896,981.08 × 762,808.31 - Step 4: Simplify right side
1,374,459.09x = 1,447,032,931,736.78 - Step 5: Solve for x
x = 1,447,032,931,736.78/1,374,459.09 - Step 6: Final answer
x = 1,052,801.75
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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.