Finding the Fourth Proportional to 1,133,831.25, 1,564,135.92 and 725,605.83
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Solution
The fourth proportional to 1,133,831.25, 1,564,135.92 and 725,605.83 is: 1,000,983.30
Step by Step Solution
- Step 1: Write the proportion equation
1,133,831.25 : 1,564,135.92 = 725,605.83 : x - Step 2: Convert to fraction form
1,133,831.25/1,564,135.92 = 725,605.83/x - Step 3: Cross multiply
1,133,831.25x = 1,564,135.92 × 725,605.83 - Step 4: Simplify right side
1,133,831.25x = 1,134,946,142,464.41 - Step 5: Solve for x
x = 1,134,946,142,464.41/1,133,831.25 - Step 6: Final answer
x = 1,000,983.30
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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.