Home / 1,754,393.64-2,421,063.81-990,496.41

Finding the Fourth Proportional to 1,754,393.64, 2,421,063.81 and 990,496.41

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Solution

The fourth proportional to 1,754,393.64, 2,421,063.81 and 990,496.41 is: 1,366,885.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,754,393.64 : 2,421,063.81 = 990,496.41 : x
  2. Step 2: Convert to fraction form
    1,754,393.64/2,421,063.81 = 990,496.41/x
  3. Step 3: Cross multiply
    1,754,393.64x = 2,421,063.81 × 990,496.41
  4. Step 4: Simplify right side
    1,754,393.64x = 2,398,055,012,185.92
  5. Step 5: Solve for x
    x = 2,398,055,012,185.92/1,754,393.64
  6. Step 6: Final answer
    x = 1,366,885.38

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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.