Finding the Fourth Proportional to 1,143,603.04, 1,578,173.08 and 634,309.08
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Solution
The fourth proportional to 1,143,603.04, 1,578,173.08 and 634,309.08 is: 875,347.02
Step by Step Solution
- Step 1: Write the proportion equation
1,143,603.04 : 1,578,173.08 = 634,309.08 : x - Step 2: Convert to fraction form
1,143,603.04/1,578,173.08 = 634,309.08/x - Step 3: Cross multiply
1,143,603.04x = 1,578,173.08 × 634,309.08 - Step 4: Simplify right side
1,143,603.04x = 1,001,049,514,455.57 - Step 5: Solve for x
x = 1,001,049,514,455.57/1,143,603.04 - Step 6: Final answer
x = 875,347.02
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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.