Finding the Fourth Proportional to 1,125,651.04, 1,553,408.36 and 666,791.76
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Solution
The fourth proportional to 1,125,651.04, 1,553,408.36 and 666,791.76 is: 920,178.51
Step by Step Solution
- Step 1: Write the proportion equation
1,125,651.04 : 1,553,408.36 = 666,791.76 : x - Step 2: Convert to fraction form
1,125,651.04/1,553,408.36 = 666,791.76/x - Step 3: Cross multiply
1,125,651.04x = 1,553,408.36 × 666,791.76 - Step 4: Simplify right side
1,125,651.04x = 1,035,799,894,363.11 - Step 5: Solve for x
x = 1,035,799,894,363.11/1,125,651.04 - Step 6: Final answer
x = 920,178.51
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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.