Finding the Fourth Proportional to 1,069,189.20, 1,475,468.75 and 579,149.46
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Solution
The fourth proportional to 1,069,189.20, 1,475,468.75 and 579,149.46 is: 799,219.57
Step by Step Solution
- Step 1: Write the proportion equation
1,069,189.20 : 1,475,468.75 = 579,149.46 : x - Step 2: Convert to fraction form
1,069,189.20/1,475,468.75 = 579,149.46/x - Step 3: Cross multiply
1,069,189.20x = 1,475,468.75 × 579,149.46 - Step 4: Simplify right side
1,069,189.20x = 854,516,931,257.25 - Step 5: Solve for x
x = 854,516,931,257.25/1,069,189.20 - Step 6: Final answer
x = 799,219.57
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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.