Finding the Fourth Proportional to 1,207,519.56, 1,811,498.01 and 497,160.09
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Solution
The fourth proportional to 1,207,519.56, 1,811,498.01 and 497,160.09 is: 745,830.17
Step by Step Solution
- Step 1: Write the proportion equation
1,207,519.56 : 1,811,498.01 = 497,160.09 : x - Step 2: Convert to fraction form
1,207,519.56/1,811,498.01 = 497,160.09/x - Step 3: Cross multiply
1,207,519.56x = 1,811,498.01 × 497,160.09 - Step 4: Simplify right side
1,207,519.56x = 900,604,513,686.42 - Step 5: Solve for x
x = 900,604,513,686.42/1,207,519.56 - Step 6: Final answer
x = 745,830.17
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.