Finding the Fourth Proportional to 1,281,885.18, 1,768,929.54 and 700,993.02
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Solution
The fourth proportional to 1,281,885.18, 1,768,929.54 and 700,993.02 is: 967,330.99
Step by Step Solution
- Step 1: Write the proportion equation
1,281,885.18 : 1,768,929.54 = 700,993.02 : x - Step 2: Convert to fraction form
1,281,885.18/1,768,929.54 = 700,993.02/x - Step 3: Cross multiply
1,281,885.18x = 1,768,929.54 × 700,993.02 - Step 4: Simplify right side
1,281,885.18x = 1,240,007,260,411.81 - Step 5: Solve for x
x = 1,240,007,260,411.81/1,281,885.18 - Step 6: Final answer
x = 967,330.99
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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.