Finding the Fourth Proportional to 1,011,585.14, 1,395,971.18 and 552,689.86
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Solution
The fourth proportional to 1,011,585.14, 1,395,971.18 and 552,689.86 is: 762,703.09
Step by Step Solution
- Step 1: Write the proportion equation
1,011,585.14 : 1,395,971.18 = 552,689.86 : x - Step 2: Convert to fraction form
1,011,585.14/1,395,971.18 = 552,689.86/x - Step 3: Cross multiply
1,011,585.14x = 1,395,971.18 × 552,689.86 - Step 4: Simplify right side
1,011,585.14x = 771,539,116,038.24 - Step 5: Solve for x
x = 771,539,116,038.24/1,011,585.14 - Step 6: Final answer
x = 762,703.09
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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.