Finding the Fourth Proportional to 1,758,162.96, 2,636,719.56 and 747,280.53
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Solution
The fourth proportional to 1,758,162.96, 2,636,719.56 and 747,280.53 is: 1,120,697.70
Step by Step Solution
- Step 1: Write the proportion equation
1,758,162.96 : 2,636,719.56 = 747,280.53 : x - Step 2: Convert to fraction form
1,758,162.96/2,636,719.56 = 747,280.53/x - Step 3: Cross multiply
1,758,162.96x = 2,636,719.56 × 747,280.53 - Step 4: Simplify right side
1,758,162.96x = 1,970,369,190,258.17 - Step 5: Solve for x
x = 1,970,369,190,258.17/1,758,162.96 - Step 6: Final answer
x = 1,120,697.70
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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.