Finding the Fourth Proportional to 1,187,923.04, 1,637,747.94 and 943,718.07
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Solution
The fourth proportional to 1,187,923.04, 1,637,747.94 and 943,718.07 is: 1,301,071.08
Step by Step Solution
- Step 1: Write the proportion equation
1,187,923.04 : 1,637,747.94 = 943,718.07 : x - Step 2: Convert to fraction form
1,187,923.04/1,637,747.94 = 943,718.07/x - Step 3: Cross multiply
1,187,923.04x = 1,637,747.94 × 943,718.07 - Step 4: Simplify right side
1,187,923.04x = 1,545,572,312,982.65 - Step 5: Solve for x
x = 1,545,572,312,982.65/1,187,923.04 - Step 6: Final answer
x = 1,301,071.08
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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.