Finding the Fourth Proportional to 1,069,220.48, 1,475,511.94 and 579,180.63
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Solution
The fourth proportional to 1,069,220.48, 1,475,511.94 and 579,180.63 is: 799,262.60
Step by Step Solution
- Step 1: Write the proportion equation
1,069,220.48 : 1,475,511.94 = 579,180.63 : x - Step 2: Convert to fraction form
1,069,220.48/1,475,511.94 = 579,180.63/x - Step 3: Cross multiply
1,069,220.48x = 1,475,511.94 × 579,180.63 - Step 4: Simplify right side
1,069,220.48x = 854,587,941,238.87 - Step 5: Solve for x
x = 854,587,941,238.87/1,069,220.48 - Step 6: Final answer
x = 799,262.60
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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.