Finding the Fourth Proportional to 1,278,430.08, 1,916,257.92 and 630,455.04
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Solution
The fourth proportional to 1,278,430.08, 1,916,257.92 and 630,455.04 is: 944,998.47
Step by Step Solution
- Step 1: Write the proportion equation
1,278,430.08 : 1,916,257.92 = 630,455.04 : x - Step 2: Convert to fraction form
1,278,430.08/1,916,257.92 = 630,455.04/x - Step 3: Cross multiply
1,278,430.08x = 1,916,257.92 × 630,455.04 - Step 4: Simplify right side
1,278,430.08x = 1,208,114,463,603.92 - Step 5: Solve for x
x = 1,208,114,463,603.92/1,278,430.08 - Step 6: Final answer
x = 944,998.47
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.