Finding the Fourth Proportional to 1,248,719.16, 1,723,237.70 and 675,759.36
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Solution
The fourth proportional to 1,248,719.16, 1,723,237.70 and 675,759.36 is: 932,550.76
Step by Step Solution
- Step 1: Write the proportion equation
1,248,719.16 : 1,723,237.70 = 675,759.36 : x - Step 2: Convert to fraction form
1,248,719.16/1,723,237.70 = 675,759.36/x - Step 3: Cross multiply
1,248,719.16x = 1,723,237.70 × 675,759.36 - Step 4: Simplify right side
1,248,719.16x = 1,164,494,001,901.08 - Step 5: Solve for x
x = 1,164,494,001,901.08/1,248,719.16 - Step 6: Final answer
x = 932,550.76
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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.