Finding the Fourth Proportional to 1,588,656.46, 2,381,645.36 and 689,420.78
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Solution
The fourth proportional to 1,588,656.46, 2,381,645.36 and 689,420.78 is: 1,033,549.95
Step by Step Solution
- Step 1: Write the proportion equation
1,588,656.46 : 2,381,645.36 = 689,420.78 : x - Step 2: Convert to fraction form
1,588,656.46/2,381,645.36 = 689,420.78/x - Step 3: Cross multiply
1,588,656.46x = 2,381,645.36 × 689,420.78 - Step 4: Simplify right side
1,588,656.46x = 1,641,955,801,774.58 - Step 5: Solve for x
x = 1,641,955,801,774.58/1,588,656.46 - Step 6: Final answer
x = 1,033,549.95
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.