Home / 914,079.80-1,368,009.30-802,105.40

Finding the Fourth Proportional to 914,079.80, 1,368,009.30 and 802,105.40

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Solution

The fourth proportional to 914,079.80, 1,368,009.30 and 802,105.40 is: 1,200,428.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,079.80 : 1,368,009.30 = 802,105.40 : x
  2. Step 2: Convert to fraction form
    914,079.80/1,368,009.30 = 802,105.40/x
  3. Step 3: Cross multiply
    914,079.80x = 1,368,009.30 × 802,105.40
  4. Step 4: Simplify right side
    914,079.80x = 1,097,287,646,780.22
  5. Step 5: Solve for x
    x = 1,097,287,646,780.22/914,079.80
  6. Step 6: Final answer
    x = 1,200,428.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.