Finding the Fourth Proportional to 1,402,630.16, 1,935,156.84 and 798,590.48
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Solution
The fourth proportional to 1,402,630.16, 1,935,156.84 and 798,590.48 is: 1,101,785.68
Step by Step Solution
- Step 1: Write the proportion equation
1,402,630.16 : 1,935,156.84 = 798,590.48 : x - Step 2: Convert to fraction form
1,402,630.16/1,935,156.84 = 798,590.48/x - Step 3: Cross multiply
1,402,630.16x = 1,935,156.84 × 798,590.48 - Step 4: Simplify right side
1,402,630.16x = 1,545,397,829,730.88 - Step 5: Solve for x
x = 1,545,397,829,730.88/1,402,630.16 - Step 6: Final answer
x = 1,101,785.68
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.