Finding the Fourth Proportional to 1,374,619.52, 1,896,985.68 and 762,774.68
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Solution
The fourth proportional to 1,374,619.52, 1,896,985.68 and 762,774.68 is: 1,052,635.02
Step by Step Solution
- Step 1: Write the proportion equation
1,374,619.52 : 1,896,985.68 = 762,774.68 : x - Step 2: Convert to fraction form
1,374,619.52/1,896,985.68 = 762,774.68/x - Step 3: Cross multiply
1,374,619.52x = 1,896,985.68 × 762,774.68 - Step 4: Simplify right side
1,374,619.52x = 1,446,972,645,026.58 - Step 5: Solve for x
x = 1,446,972,645,026.58/1,374,619.52 - Step 6: Final answer
x = 1,052,635.02
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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.