Finding the Fourth Proportional to 1,039,508.86, 1,434,454.68 and 603,887.62
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Solution
The fourth proportional to 1,039,508.86, 1,434,454.68 and 603,887.62 is: 833,325.68
Step by Step Solution
- Step 1: Write the proportion equation
1,039,508.86 : 1,434,454.68 = 603,887.62 : x - Step 2: Convert to fraction form
1,039,508.86/1,434,454.68 = 603,887.62/x - Step 3: Cross multiply
1,039,508.86x = 1,434,454.68 × 603,887.62 - Step 4: Simplify right side
1,039,508.86x = 866,249,422,703.06 - Step 5: Solve for x
x = 866,249,422,703.06/1,039,508.86 - Step 6: Final answer
x = 833,325.68
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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.