Finding the Fourth Proportional to 1,344,319.20, 1,855,137.04 and 732,477.03
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Solution
The fourth proportional to 1,344,319.20, 1,855,137.04 and 732,477.03 is: 1,010,805.52
Step by Step Solution
- Step 1: Write the proportion equation
1,344,319.20 : 1,855,137.04 = 732,477.03 : x - Step 2: Convert to fraction form
1,344,319.20/1,855,137.04 = 732,477.03/x - Step 3: Cross multiply
1,344,319.20x = 1,855,137.04 × 732,477.03 - Step 4: Simplify right side
1,344,319.20x = 1,358,845,264,634.42 - Step 5: Solve for x
x = 1,358,845,264,634.42/1,344,319.20 - Step 6: Final answer
x = 1,010,805.52
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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.