Home / 1,016,809.80-1,402,614.50-634,172.28

Finding the Fourth Proportional to 1,016,809.80, 1,402,614.50 and 634,172.28

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Solution

The fourth proportional to 1,016,809.80, 1,402,614.50 and 634,172.28 is: 874,794.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,016,809.80 : 1,402,614.50 = 634,172.28 : x
  2. Step 2: Convert to fraction form
    1,016,809.80/1,402,614.50 = 634,172.28/x
  3. Step 3: Cross multiply
    1,016,809.80x = 1,402,614.50 × 634,172.28
  4. Step 4: Simplify right side
    1,016,809.80x = 889,499,235,426.06
  5. Step 5: Solve for x
    x = 889,499,235,426.06/1,016,809.80
  6. Step 6: Final answer
    x = 874,794.12

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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.