Finding the Fourth Proportional to 1,239,155.69, 1,706,848.61 and 875,954.93
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Solution
The fourth proportional to 1,239,155.69, 1,706,848.61 and 875,954.93 is: 1,206,565.45
Step by Step Solution
- Step 1: Write the proportion equation
1,239,155.69 : 1,706,848.61 = 875,954.93 : x - Step 2: Convert to fraction form
1,239,155.69/1,706,848.61 = 875,954.93/x - Step 3: Cross multiply
1,239,155.69x = 1,706,848.61 × 875,954.93 - Step 4: Simplify right side
1,239,155.69x = 1,495,122,441,779.13 - Step 5: Solve for x
x = 1,495,122,441,779.13/1,239,155.69 - Step 6: Final answer
x = 1,206,565.45
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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.