Finding the Fourth Proportional to 1,133,772.28, 1,564,605.68 and 624,474.65
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Solution
The fourth proportional to 1,133,772.28, 1,564,605.68 and 624,474.65 is: 861,774.98
Step by Step Solution
- Step 1: Write the proportion equation
1,133,772.28 : 1,564,605.68 = 624,474.65 : x - Step 2: Convert to fraction form
1,133,772.28/1,564,605.68 = 624,474.65/x - Step 3: Cross multiply
1,133,772.28x = 1,564,605.68 × 624,474.65 - Step 4: Simplify right side
1,133,772.28x = 977,056,584,406.01 - Step 5: Solve for x
x = 977,056,584,406.01/1,133,772.28 - Step 6: Final answer
x = 861,774.98
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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.