Finding the Fourth Proportional to 1,125,638.60, 1,688,482.80 and 406,037.84
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Solution
The fourth proportional to 1,125,638.60, 1,688,482.80 and 406,037.84 is: 609,065.74
Step by Step Solution
- Step 1: Write the proportion equation
1,125,638.60 : 1,688,482.80 = 406,037.84 : x - Step 2: Convert to fraction form
1,125,638.60/1,688,482.80 = 406,037.84/x - Step 3: Cross multiply
1,125,638.60x = 1,688,482.80 × 406,037.84 - Step 4: Simplify right side
1,125,638.60x = 685,587,900,546.74 - Step 5: Solve for x
x = 685,587,900,546.74/1,125,638.60 - Step 6: Final answer
x = 609,065.74
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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.