Finding the Fourth Proportional to 1,413,431.08, 2,119,031.58 and 703,071.40
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Solution
The fourth proportional to 1,413,431.08, 2,119,031.58 and 703,071.40 is: 1,054,052.45
Step by Step Solution
- Step 1: Write the proportion equation
1,413,431.08 : 2,119,031.58 = 703,071.40 : x - Step 2: Convert to fraction form
1,413,431.08/2,119,031.58 = 703,071.40/x - Step 3: Cross multiply
1,413,431.08x = 2,119,031.58 × 703,071.40 - Step 4: Simplify right side
1,413,431.08x = 1,489,830,499,594.81 - Step 5: Solve for x
x = 1,489,830,499,594.81/1,413,431.08 - Step 6: Final answer
x = 1,054,052.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.