Finding the Fourth Proportional to 1,031,696.70, 1,547,545.05 and 926,720.70
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Solution
The fourth proportional to 1,031,696.70, 1,547,545.05 and 926,720.70 is: 1,390,081.05
Step by Step Solution
- Step 1: Write the proportion equation
1,031,696.70 : 1,547,545.05 = 926,720.70 : x - Step 2: Convert to fraction form
1,031,696.70/1,547,545.05 = 926,720.70/x - Step 3: Cross multiply
1,031,696.70x = 1,547,545.05 × 926,720.70 - Step 4: Simplify right side
1,031,696.70x = 1,434,142,032,017.54 - Step 5: Solve for x
x = 1,434,142,032,017.54/1,031,696.70 - Step 6: Final answer
x = 1,390,081.05
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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.