Finding the Fourth Proportional to 1,188,155.84, 1,779,652.14 and 731,354.72
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Solution
The fourth proportional to 1,188,155.84, 1,779,652.14 and 731,354.72 is: 1,095,443.00
Step by Step Solution
- Step 1: Write the proportion equation
1,188,155.84 : 1,779,652.14 = 731,354.72 : x - Step 2: Convert to fraction form
1,188,155.84/1,779,652.14 = 731,354.72/x - Step 3: Cross multiply
1,188,155.84x = 1,779,652.14 × 731,354.72 - Step 4: Simplify right side
1,188,155.84x = 1,301,556,992,547.10 - Step 5: Solve for x
x = 1,301,556,992,547.10/1,188,155.84 - Step 6: Final answer
x = 1,095,443.00
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.