Home / 1,016,805.80-1,402,609.02-634,168.28

Finding the Fourth Proportional to 1,016,805.80, 1,402,609.02 and 634,168.28

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Solution

The fourth proportional to 1,016,805.80, 1,402,609.02 and 634,168.28 is: 874,788.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,016,805.80 : 1,402,609.02 = 634,168.28 : x
  2. Step 2: Convert to fraction form
    1,016,805.80/1,402,609.02 = 634,168.28/x
  3. Step 3: Cross multiply
    1,016,805.80x = 1,402,609.02 × 634,168.28
  4. Step 4: Simplify right side
    1,016,805.80x = 889,490,149,725.89
  5. Step 5: Solve for x
    x = 889,490,149,725.89/1,016,805.80
  6. Step 6: Final answer
    x = 874,788.63

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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.