Finding the Fourth Proportional to 1,069,025.68, 1,475,207.13 and 639,542.62
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Solution
The fourth proportional to 1,069,025.68, 1,475,207.13 and 639,542.62 is: 882,539.92
Step by Step Solution
- Step 1: Write the proportion equation
1,069,025.68 : 1,475,207.13 = 639,542.62 : x - Step 2: Convert to fraction form
1,069,025.68/1,475,207.13 = 639,542.62/x - Step 3: Cross multiply
1,069,025.68x = 1,475,207.13 × 639,542.62 - Step 4: Simplify right side
1,069,025.68x = 943,457,832,962.88 - Step 5: Solve for x
x = 943,457,832,962.88/1,069,025.68 - Step 6: Final answer
x = 882,539.92
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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.