Finding the Fourth Proportional to 1,009,178.08, 1,392,594.56 and 556,459.36
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Solution
The fourth proportional to 1,009,178.08, 1,392,594.56 and 556,459.36 is: 767,874.66
Step by Step Solution
- Step 1: Write the proportion equation
1,009,178.08 : 1,392,594.56 = 556,459.36 : x - Step 2: Convert to fraction form
1,009,178.08/1,392,594.56 = 556,459.36/x - Step 3: Cross multiply
1,009,178.08x = 1,392,594.56 × 556,459.36 - Step 4: Simplify right side
1,009,178.08x = 774,922,277,597.08 - Step 5: Solve for x
x = 774,922,277,597.08/1,009,178.08 - Step 6: Final answer
x = 767,874.66
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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.