Finding the Fourth Proportional to 1,358,998.16, 1,875,430.05 and 747,155.24
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Solution
The fourth proportional to 1,358,998.16, 1,875,430.05 and 747,155.24 is: 1,031,081.15
Step by Step Solution
- Step 1: Write the proportion equation
1,358,998.16 : 1,875,430.05 = 747,155.24 : x - Step 2: Convert to fraction form
1,358,998.16/1,875,430.05 = 747,155.24/x - Step 3: Cross multiply
1,358,998.16x = 1,875,430.05 × 747,155.24 - Step 4: Simplify right side
1,358,998.16x = 1,401,237,389,110.96 - Step 5: Solve for x
x = 1,401,237,389,110.96/1,358,998.16 - Step 6: Final answer
x = 1,031,081.15
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.