Home / 1,300,940.32-1,948,568.49-540,476.11

Finding the Fourth Proportional to 1,300,940.32, 1,948,568.49 and 540,476.11

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Solution

The fourth proportional to 1,300,940.32, 1,948,568.49 and 540,476.11 is: 809,533.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,300,940.32 : 1,948,568.49 = 540,476.11 : x
  2. Step 2: Convert to fraction form
    1,300,940.32/1,948,568.49 = 540,476.11/x
  3. Step 3: Cross multiply
    1,300,940.32x = 1,948,568.49 × 540,476.11
  4. Step 4: Simplify right side
    1,300,940.32x = 1,053,154,717,543.77
  5. Step 5: Solve for x
    x = 1,053,154,717,543.77/1,300,940.32
  6. Step 6: Final answer
    x = 809,533.46

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