Finding the Fourth Proportional to 1,118,386.44, 1,543,417.08 and 634,996.68
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Solution
The fourth proportional to 1,118,386.44, 1,543,417.08 and 634,996.68 is: 876,320.28
Step by Step Solution
- Step 1: Write the proportion equation
1,118,386.44 : 1,543,417.08 = 634,996.68 : x - Step 2: Convert to fraction form
1,118,386.44/1,543,417.08 = 634,996.68/x - Step 3: Cross multiply
1,118,386.44x = 1,543,417.08 × 634,996.68 - Step 4: Simplify right side
1,118,386.44x = 980,064,721,655.30 - Step 5: Solve for x
x = 980,064,721,655.30/1,118,386.44 - Step 6: Final answer
x = 876,320.28
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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.