Finding the Fourth Proportional to 1,020,634.92, 1,537,867.35 and 847,031.40
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Solution
The fourth proportional to 1,020,634.92, 1,537,867.35 and 847,031.40 is: 1,276,285.88
Step by Step Solution
- Step 1: Write the proportion equation
1,020,634.92 : 1,537,867.35 = 847,031.40 : x - Step 2: Convert to fraction form
1,020,634.92/1,537,867.35 = 847,031.40/x - Step 3: Cross multiply
1,020,634.92x = 1,537,867.35 × 847,031.40 - Step 4: Simplify right side
1,020,634.92x = 1,302,621,934,484.79 - Step 5: Solve for x
x = 1,302,621,934,484.79/1,020,634.92 - Step 6: Final answer
x = 1,276,285.88
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.