Finding the Fourth Proportional to 1,391,703.60, 2,086,340.40 and 539,356.80
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Solution
The fourth proportional to 1,391,703.60, 2,086,340.40 and 539,356.80 is: 808,564.32
Step by Step Solution
- Step 1: Write the proportion equation
1,391,703.60 : 2,086,340.40 = 539,356.80 : x - Step 2: Convert to fraction form
1,391,703.60/2,086,340.40 = 539,356.80/x - Step 3: Cross multiply
1,391,703.60x = 2,086,340.40 × 539,356.80 - Step 4: Simplify right side
1,391,703.60x = 1,125,281,881,854.72 - Step 5: Solve for x
x = 1,125,281,881,854.72/1,391,703.60 - Step 6: Final answer
x = 808,564.32
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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.