Finding the Fourth Proportional to 1,402,990.16, 1,935,652.68 and 798,950.48
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Solution
The fourth proportional to 1,402,990.16, 1,935,652.68 and 798,950.48 is: 1,102,281.88
Step by Step Solution
- Step 1: Write the proportion equation
1,402,990.16 : 1,935,652.68 = 798,950.48 : x - Step 2: Convert to fraction form
1,402,990.16/1,935,652.68 = 798,950.48/x - Step 3: Cross multiply
1,402,990.16x = 1,935,652.68 × 798,950.48 - Step 4: Simplify right side
1,402,990.16x = 1,546,490,637,799.29 - Step 5: Solve for x
x = 1,546,490,637,799.29/1,402,990.16 - Step 6: Final answer
x = 1,102,281.88
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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.