Finding the Fourth Proportional to 1,130,831.40, 1,696,457.25 and 372,726.08
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Solution
The fourth proportional to 1,130,831.40, 1,696,457.25 and 372,726.08 is: 559,158.38
Step by Step Solution
- Step 1: Write the proportion equation
1,130,831.40 : 1,696,457.25 = 372,726.08 : x - Step 2: Convert to fraction form
1,130,831.40/1,696,457.25 = 372,726.08/x - Step 3: Cross multiply
1,130,831.40x = 1,696,457.25 × 372,726.08 - Step 4: Simplify right side
1,130,831.40x = 632,313,852,197.79 - Step 5: Solve for x
x = 632,313,852,197.79/1,130,831.40 - Step 6: Final answer
x = 559,158.38
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.