Finding the Fourth Proportional to 1,031,722.70, 1,547,584.05 and 926,746.70
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Solution
The fourth proportional to 1,031,722.70, 1,547,584.05 and 926,746.70 is: 1,390,120.05
Step by Step Solution
- Step 1: Write the proportion equation
1,031,722.70 : 1,547,584.05 = 926,746.70 : x - Step 2: Convert to fraction form
1,031,722.70/1,547,584.05 = 926,746.70/x - Step 3: Cross multiply
1,031,722.70x = 1,547,584.05 × 926,746.70 - Step 4: Simplify right side
1,031,722.70x = 1,434,218,411,310.14 - Step 5: Solve for x
x = 1,434,218,411,310.14/1,031,722.70 - Step 6: Final answer
x = 1,390,120.05
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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.