Finding the Fourth Proportional to 1,349,848.08, 1,862,905.55 and 769,248.77
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Solution
The fourth proportional to 1,349,848.08, 1,862,905.55 and 769,248.77 is: 1,061,628.94
Step by Step Solution
- Step 1: Write the proportion equation
1,349,848.08 : 1,862,905.55 = 769,248.77 : x - Step 2: Convert to fraction form
1,349,848.08/1,862,905.55 = 769,248.77/x - Step 3: Cross multiply
1,349,848.08x = 1,862,905.55 × 769,248.77 - Step 4: Simplify right side
1,349,848.08x = 1,433,037,789,802.90 - Step 5: Solve for x
x = 1,433,037,789,802.90/1,349,848.08 - Step 6: Final answer
x = 1,061,628.94
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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.