Finding the Fourth Proportional to 1,115,944.80, 1,539,985.68 and 606,660
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Solution
The fourth proportional to 1,115,944.80, 1,539,985.68 and 606,660 is: 837,180.94
Step by Step Solution
- Step 1: Write the proportion equation
1,115,944.80 : 1,539,985.68 = 606,660 : x - Step 2: Convert to fraction form
1,115,944.80/1,539,985.68 = 606,660/x - Step 3: Cross multiply
1,115,944.80x = 1,539,985.68 × 606,660 - Step 4: Simplify right side
1,115,944.80x = 934,247,712,628.80 - Step 5: Solve for x
x = 934,247,712,628.80/1,115,944.80 - Step 6: Final answer
x = 837,180.94
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.