Finding the Fourth Proportional to 1,008,746.36, 1,392,051.86 and 549,864.84
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Solution
The fourth proportional to 1,008,746.36, 1,392,051.86 and 549,864.84 is: 758,803.60
Step by Step Solution
- Step 1: Write the proportion equation
1,008,746.36 : 1,392,051.86 = 549,864.84 : x - Step 2: Convert to fraction form
1,008,746.36/1,392,051.86 = 549,864.84/x - Step 3: Cross multiply
1,008,746.36x = 1,392,051.86 × 549,864.84 - Step 4: Simplify right side
1,008,746.36x = 765,440,370,521.28 - Step 5: Solve for x
x = 765,440,370,521.28/1,008,746.36 - Step 6: Final answer
x = 758,803.60
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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.