Finding the Fourth Proportional to 1,430,148.08, 1,973,616.10 and 785,582.66
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Solution
The fourth proportional to 1,430,148.08, 1,973,616.10 and 785,582.66 is: 1,084,110.52
Step by Step Solution
- Step 1: Write the proportion equation
1,430,148.08 : 1,973,616.10 = 785,582.66 : x - Step 2: Convert to fraction form
1,430,148.08/1,973,616.10 = 785,582.66/x - Step 3: Cross multiply
1,430,148.08x = 1,973,616.10 × 785,582.66 - Step 4: Simplify right side
1,430,148.08x = 1,550,438,585,656.83 - Step 5: Solve for x
x = 1,550,438,585,656.83/1,430,148.08 - Step 6: Final answer
x = 1,084,110.52
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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.