Finding the Fourth Proportional to 1,267,225.68, 1,748,756.56 and 686,437.84
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Solution
The fourth proportional to 1,267,225.68, 1,748,756.56 and 686,437.84 is: 947,276.16
Step by Step Solution
- Step 1: Write the proportion equation
1,267,225.68 : 1,748,756.56 = 686,437.84 : x - Step 2: Convert to fraction form
1,267,225.68/1,748,756.56 = 686,437.84/x - Step 3: Cross multiply
1,267,225.68x = 1,748,756.56 × 686,437.84 - Step 4: Simplify right side
1,267,225.68x = 1,200,412,675,732.23 - Step 5: Solve for x
x = 1,200,412,675,732.23/1,267,225.68 - Step 6: Final answer
x = 947,276.16
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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.