Finding the Fourth Proportional to 1,415,258.24, 1,953,037.04 and 803,405.66
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Solution
The fourth proportional to 1,415,258.24, 1,953,037.04 and 803,405.66 is: 1,108,688.83
Step by Step Solution
- Step 1: Write the proportion equation
1,415,258.24 : 1,953,037.04 = 803,405.66 : x - Step 2: Convert to fraction form
1,415,258.24/1,953,037.04 = 803,405.66/x - Step 3: Cross multiply
1,415,258.24x = 1,953,037.04 × 803,405.66 - Step 4: Simplify right side
1,415,258.24x = 1,569,080,998,343.43 - Step 5: Solve for x
x = 1,569,080,998,343.43/1,415,258.24 - Step 6: Final answer
x = 1,108,688.83
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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.