Finding the Fourth Proportional to 1,134,417.48, 1,565,506.62 and 625,138.08
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Solution
The fourth proportional to 1,134,417.48, 1,565,506.62 and 625,138.08 is: 862,696.34
Step by Step Solution
- Step 1: Write the proportion equation
1,134,417.48 : 1,565,506.62 = 625,138.08 : x - Step 2: Convert to fraction form
1,134,417.48/1,565,506.62 = 625,138.08/x - Step 3: Cross multiply
1,134,417.48x = 1,565,506.62 × 625,138.08 - Step 4: Simplify right side
1,134,417.48x = 978,657,802,654.09 - Step 5: Solve for x
x = 978,657,802,654.09/1,134,417.48 - Step 6: Final answer
x = 862,696.34
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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.