Finding the Fourth Proportional to 1,207,259.74, 1,666,108.69 and 748,463.59
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Solution
The fourth proportional to 1,207,259.74, 1,666,108.69 and 748,463.59 is: 1,032,935.71
Step by Step Solution
- Step 1: Write the proportion equation
1,207,259.74 : 1,666,108.69 = 748,463.59 : x - Step 2: Convert to fraction form
1,207,259.74/1,666,108.69 = 748,463.59/x - Step 3: Cross multiply
1,207,259.74x = 1,666,108.69 × 748,463.59 - Step 4: Simplify right side
1,207,259.74x = 1,247,021,695,869.18 - Step 5: Solve for x
x = 1,247,021,695,869.18/1,207,259.74 - Step 6: Final answer
x = 1,032,935.71
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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.