Finding the Fourth Proportional to 1,237,774.62, 1,708,688.55 and 779,562.54
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Solution
The fourth proportional to 1,237,774.62, 1,708,688.55 and 779,562.54 is: 1,076,148.73
Step by Step Solution
- Step 1: Write the proportion equation
1,237,774.62 : 1,708,688.55 = 779,562.54 : x - Step 2: Convert to fraction form
1,237,774.62/1,708,688.55 = 779,562.54/x - Step 3: Cross multiply
1,237,774.62x = 1,708,688.55 × 779,562.54 - Step 4: Simplify right side
1,237,774.62x = 1,332,029,586,106.92 - Step 5: Solve for x
x = 1,332,029,586,106.92/1,237,774.62 - Step 6: Final answer
x = 1,076,148.73
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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.