Finding the Fourth Proportional to 1,270,153.60, 1,752,831.84 and 697,246.08
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Solution
The fourth proportional to 1,270,153.60, 1,752,831.84 and 697,246.08 is: 962,210.50
Step by Step Solution
- Step 1: Write the proportion equation
1,270,153.60 : 1,752,831.84 = 697,246.08 : x - Step 2: Convert to fraction form
1,270,153.60/1,752,831.84 = 697,246.08/x - Step 3: Cross multiply
1,270,153.60x = 1,752,831.84 × 697,246.08 - Step 4: Simplify right side
1,270,153.60x = 1,222,155,129,339.19 - Step 5: Solve for x
x = 1,222,155,129,339.19/1,270,153.60 - Step 6: Final answer
x = 962,210.50
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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.