Finding the Fourth Proportional to 1,031,645.70, 1,544,516.10 and 913,547.70
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Solution
The fourth proportional to 1,031,645.70, 1,544,516.10 and 913,547.70 is: 1,367,707.08
Step by Step Solution
- Step 1: Write the proportion equation
1,031,645.70 : 1,544,516.10 = 913,547.70 : x - Step 2: Convert to fraction form
1,031,645.70/1,544,516.10 = 913,547.70/x - Step 3: Cross multiply
1,031,645.70x = 1,544,516.10 × 913,547.70 - Step 4: Simplify right side
1,031,645.70x = 1,410,989,130,767.97 - Step 5: Solve for x
x = 1,410,989,130,767.97/1,031,645.70 - Step 6: Final answer
x = 1,367,707.08
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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.