Finding the Fourth Proportional to 1,134,352, 1,565,438.70 and 625,087.18
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Solution
The fourth proportional to 1,134,352, 1,565,438.70 and 625,087.18 is: 862,638.46
Step by Step Solution
- Step 1: Write the proportion equation
1,134,352 : 1,565,438.70 = 625,087.18 : x - Step 2: Convert to fraction form
1,134,352/1,565,438.70 = 625,087.18/x - Step 3: Cross multiply
1,134,352x = 1,565,438.70 × 625,087.18 - Step 4: Simplify right side
1,134,352x = 978,535,662,445.87 - Step 5: Solve for x
x = 978,535,662,445.87/1,134,352 - Step 6: Final answer
x = 862,638.46
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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.