Finding the Fourth Proportional to 1,587,939.04, 2,380,569.63 and 688,703.50
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Solution
The fourth proportional to 1,587,939.04, 2,380,569.63 and 688,703.50 is: 1,032,474.54
Step by Step Solution
- Step 1: Write the proportion equation
1,587,939.04 : 2,380,569.63 = 688,703.50 : x - Step 2: Convert to fraction form
1,587,939.04/2,380,569.63 = 688,703.50/x - Step 3: Cross multiply
1,587,939.04x = 2,380,569.63 × 688,703.50 - Step 4: Simplify right side
1,587,939.04x = 1,639,506,636,174.70 - Step 5: Solve for x
x = 1,639,506,636,174.70/1,587,939.04 - Step 6: Final answer
x = 1,032,474.54
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.