Finding the Fourth Proportional to 1,270,509.12, 1,753,306.02 and 697,586.40
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Solution
The fourth proportional to 1,270,509.12, 1,753,306.02 and 697,586.40 is: 962,671.12
Step by Step Solution
- Step 1: Write the proportion equation
1,270,509.12 : 1,753,306.02 = 697,586.40 : x - Step 2: Convert to fraction form
1,270,509.12/1,753,306.02 = 697,586.40/x - Step 3: Cross multiply
1,270,509.12x = 1,753,306.02 × 697,586.40 - Step 4: Simplify right side
1,270,509.12x = 1,223,082,434,590.13 - Step 5: Solve for x
x = 1,223,082,434,590.13/1,270,509.12 - Step 6: Final answer
x = 962,671.12
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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.