Finding the Fourth Proportional to 1,403,676.48, 1,937,088.80 and 759,109.20
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Solution
The fourth proportional to 1,403,676.48, 1,937,088.80 and 759,109.20 is: 1,047,578.95
Step by Step Solution
- Step 1: Write the proportion equation
1,403,676.48 : 1,937,088.80 = 759,109.20 : x - Step 2: Convert to fraction form
1,403,676.48/1,937,088.80 = 759,109.20/x - Step 3: Cross multiply
1,403,676.48x = 1,937,088.80 × 759,109.20 - Step 4: Simplify right side
1,403,676.48x = 1,470,461,929,296.96 - Step 5: Solve for x
x = 1,470,461,929,296.96/1,403,676.48 - Step 6: Final answer
x = 1,047,578.95
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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.