Finding the Fourth Proportional to 1,054,305.18, 1,454,564.79 and 646,259.58
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Solution
The fourth proportional to 1,054,305.18, 1,454,564.79 and 646,259.58 is: 891,607.52
Step by Step Solution
- Step 1: Write the proportion equation
1,054,305.18 : 1,454,564.79 = 646,259.58 : x - Step 2: Convert to fraction form
1,054,305.18/1,454,564.79 = 646,259.58/x - Step 3: Cross multiply
1,054,305.18x = 1,454,564.79 × 646,259.58 - Step 4: Simplify right side
1,054,305.18x = 940,026,430,268.19 - Step 5: Solve for x
x = 940,026,430,268.19/1,054,305.18 - Step 6: Final answer
x = 891,607.52
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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.