Finding the Fourth Proportional to 1,020,386.72, 1,408,328.84 and 675,614.68
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Solution
The fourth proportional to 1,020,386.72, 1,408,328.84 and 675,614.68 is: 932,477.48
Step by Step Solution
- Step 1: Write the proportion equation
1,020,386.72 : 1,408,328.84 = 675,614.68 : x - Step 2: Convert to fraction form
1,020,386.72/1,408,328.84 = 675,614.68/x - Step 3: Cross multiply
1,020,386.72x = 1,408,328.84 × 675,614.68 - Step 4: Simplify right side
1,020,386.72x = 951,487,636,739.59 - Step 5: Solve for x
x = 951,487,636,739.59/1,020,386.72 - Step 6: Final answer
x = 932,477.48
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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.