Finding the Fourth Proportional to 1,237,805.48, 1,708,731.28 and 779,593.46
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Solution
The fourth proportional to 1,237,805.48, 1,708,731.28 and 779,593.46 is: 1,076,191.50
Step by Step Solution
- Step 1: Write the proportion equation
1,237,805.48 : 1,708,731.28 = 779,593.46 : x - Step 2: Convert to fraction form
1,237,805.48/1,708,731.28 = 779,593.46/x - Step 3: Cross multiply
1,237,805.48x = 1,708,731.28 × 779,593.46 - Step 4: Simplify right side
1,237,805.48x = 1,332,115,730,785.43 - Step 5: Solve for x
x = 1,332,115,730,785.43/1,237,805.48 - Step 6: Final answer
x = 1,076,191.50
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.