Finding the Fourth Proportional to 1,259,779.68, 1,737,426.42 and 1,064,502.84
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Solution
The fourth proportional to 1,259,779.68, 1,737,426.42 and 1,064,502.84 is: 1,468,110.17
Step by Step Solution
- Step 1: Write the proportion equation
1,259,779.68 : 1,737,426.42 = 1,064,502.84 : x - Step 2: Convert to fraction form
1,259,779.68/1,737,426.42 = 1,064,502.84/x - Step 3: Cross multiply
1,259,779.68x = 1,737,426.42 × 1,064,502.84 - Step 4: Simplify right side
1,259,779.68x = 1,849,495,358,381.03 - Step 5: Solve for x
x = 1,849,495,358,381.03/1,259,779.68 - Step 6: Final answer
x = 1,468,110.17
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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.