Finding the Fourth Proportional to 1,405,898.19, 2,108,742.06 and 507,339.90
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Solution
The fourth proportional to 1,405,898.19, 2,108,742.06 and 507,339.90 is: 760,971.88
Step by Step Solution
- Step 1: Write the proportion equation
1,405,898.19 : 2,108,742.06 = 507,339.90 : x - Step 2: Convert to fraction form
1,405,898.19/2,108,742.06 = 507,339.90/x - Step 3: Cross multiply
1,405,898.19x = 2,108,742.06 × 507,339.90 - Step 4: Simplify right side
1,405,898.19x = 1,069,848,985,846.19 - Step 5: Solve for x
x = 1,069,848,985,846.19/1,405,898.19 - Step 6: Final answer
x = 760,971.88
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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.