Home / 1,764,645.84-2,435,463.72-990,359.28

Finding the Fourth Proportional to 1,764,645.84, 2,435,463.72 and 990,359.28

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Solution

The fourth proportional to 1,764,645.84, 2,435,463.72 and 990,359.28 is: 1,366,837.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,764,645.84 : 2,435,463.72 = 990,359.28 : x
  2. Step 2: Convert to fraction form
    1,764,645.84/2,435,463.72 = 990,359.28/x
  3. Step 3: Cross multiply
    1,764,645.84x = 2,435,463.72 × 990,359.28
  4. Step 4: Simplify right side
    1,764,645.84x = 2,411,984,096,205.32
  5. Step 5: Solve for x
    x = 2,411,984,096,205.32/1,764,645.84
  6. Step 6: Final answer
    x = 1,366,837.49

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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.