Home / 1,398,567.43-2,097,643.30-387,583.95

Finding the Fourth Proportional to 1,398,567.43, 2,097,643.30 and 387,583.95

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Solution

The fourth proportional to 1,398,567.43, 2,097,643.30 and 387,583.95 is: 581,318.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,398,567.43 : 2,097,643.30 = 387,583.95 : x
  2. Step 2: Convert to fraction form
    1,398,567.43/2,097,643.30 = 387,583.95/x
  3. Step 3: Cross multiply
    1,398,567.43x = 2,097,643.30 × 387,583.95
  4. Step 4: Simplify right side
    1,398,567.43x = 813,012,882,802.24
  5. Step 5: Solve for x
    x = 813,012,882,802.24/1,398,567.43
  6. Step 6: Final answer
    x = 581,318.33

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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.