Finding the Fourth Proportional to 1,133,415.42, 1,564,178.79 and 649,976.70
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Solution
The fourth proportional to 1,133,415.42, 1,564,178.79 and 649,976.70 is: 897,005.41
Step by Step Solution
- Step 1: Write the proportion equation
1,133,415.42 : 1,564,178.79 = 649,976.70 : x - Step 2: Convert to fraction form
1,133,415.42/1,564,178.79 = 649,976.70/x - Step 3: Cross multiply
1,133,415.42x = 1,564,178.79 × 649,976.70 - Step 4: Simplify right side
1,133,415.42x = 1,016,679,768,134.19 - Step 5: Solve for x
x = 1,016,679,768,134.19/1,133,415.42 - Step 6: Final answer
x = 897,005.41
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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.