Finding the Fourth Proportional to 1,248,683, 1,723,182.55 and 675,723.18
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Solution
The fourth proportional to 1,248,683, 1,723,182.55 and 675,723.18 is: 932,497.99
Step by Step Solution
- Step 1: Write the proportion equation
1,248,683 : 1,723,182.55 = 675,723.18 : x - Step 2: Convert to fraction form
1,248,683/1,723,182.55 = 675,723.18/x - Step 3: Cross multiply
1,248,683x = 1,723,182.55 × 675,723.18 - Step 4: Simplify right side
1,248,683x = 1,164,394,392,406.51 - Step 5: Solve for x
x = 1,164,394,392,406.51/1,248,683 - Step 6: Final answer
x = 932,497.99
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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.