Finding the Fourth Proportional to 1,225,539.48, 1,838,358.66 and 426,901.80
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Solution
The fourth proportional to 1,225,539.48, 1,838,358.66 and 426,901.80 is: 640,369.92
Step by Step Solution
- Step 1: Write the proportion equation
1,225,539.48 : 1,838,358.66 = 426,901.80 : x - Step 2: Convert to fraction form
1,225,539.48/1,838,358.66 = 426,901.80/x - Step 3: Cross multiply
1,225,539.48x = 1,838,358.66 × 426,901.80 - Step 4: Simplify right side
1,225,539.48x = 784,798,620,999.59 - Step 5: Solve for x
x = 784,798,620,999.59/1,225,539.48 - Step 6: Final answer
x = 640,369.92
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.