Home / 921,381.01-1,270,923.83-634,402.69

Finding the Fourth Proportional to 921,381.01, 1,270,923.83 and 634,402.69

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Solution

The fourth proportional to 921,381.01, 1,270,923.83 and 634,402.69 is: 875,075.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,381.01 : 1,270,923.83 = 634,402.69 : x
  2. Step 2: Convert to fraction form
    921,381.01/1,270,923.83 = 634,402.69/x
  3. Step 3: Cross multiply
    921,381.01x = 1,270,923.83 × 634,402.69
  4. Step 4: Simplify right side
    921,381.01x = 806,277,493,365.09
  5. Step 5: Solve for x
    x = 806,277,493,365.09/921,381.01
  6. Step 6: Final answer
    x = 875,075.01

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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.