Finding the Fourth Proportional to 1,031,723.70, 1,547,585.55 and 926,747.70
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Solution
The fourth proportional to 1,031,723.70, 1,547,585.55 and 926,747.70 is: 1,390,121.55
Step by Step Solution
- Step 1: Write the proportion equation
1,031,723.70 : 1,547,585.55 = 926,747.70 : x - Step 2: Convert to fraction form
1,031,723.70/1,547,585.55 = 926,747.70/x - Step 3: Cross multiply
1,031,723.70x = 1,547,585.55 × 926,747.70 - Step 4: Simplify right side
1,031,723.70x = 1,434,221,349,015.74 - Step 5: Solve for x
x = 1,434,221,349,015.74/1,031,723.70 - Step 6: Final answer
x = 1,390,121.55
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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.