Finding the Fourth Proportional to 1,444,018.68, 1,992,746.26 and 790,686.11
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Solution
The fourth proportional to 1,444,018.68, 1,992,746.26 and 790,686.11 is: 1,091,147.09
Step by Step Solution
- Step 1: Write the proportion equation
1,444,018.68 : 1,992,746.26 = 790,686.11 : x - Step 2: Convert to fraction form
1,444,018.68/1,992,746.26 = 790,686.11/x - Step 3: Cross multiply
1,444,018.68x = 1,992,746.26 × 790,686.11 - Step 4: Simplify right side
1,444,018.68x = 1,575,636,778,849.87 - Step 5: Solve for x
x = 1,575,636,778,849.87/1,444,018.68 - Step 6: Final answer
x = 1,091,147.09
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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.