Finding the Fourth Proportional to 1,283,448.28, 1,771,256.98 and 732,176.12
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Solution
The fourth proportional to 1,283,448.28, 1,771,256.98 and 732,176.12 is: 1,010,459.15
Step by Step Solution
- Step 1: Write the proportion equation
1,283,448.28 : 1,771,256.98 = 732,176.12 : x - Step 2: Convert to fraction form
1,283,448.28/1,771,256.98 = 732,176.12/x - Step 3: Cross multiply
1,283,448.28x = 1,771,256.98 × 732,176.12 - Step 4: Simplify right side
1,283,448.28x = 1,296,872,063,139.32 - Step 5: Solve for x
x = 1,296,872,063,139.32/1,283,448.28 - Step 6: Final answer
x = 1,010,459.15
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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.