Home / 1,308,479.48-1,962,717.16-409,990.17

Finding the Fourth Proportional to 1,308,479.48, 1,962,717.16 and 409,990.17

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Solution

The fourth proportional to 1,308,479.48, 1,962,717.16 and 409,990.17 is: 614,984.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,308,479.48 : 1,962,717.16 = 409,990.17 : x
  2. Step 2: Convert to fraction form
    1,308,479.48/1,962,717.16 = 409,990.17/x
  3. Step 3: Cross multiply
    1,308,479.48x = 1,962,717.16 × 409,990.17
  4. Step 4: Simplify right side
    1,308,479.48x = 804,694,742,090.32
  5. Step 5: Solve for x
    x = 804,694,742,090.32/1,308,479.48
  6. Step 6: Final answer
    x = 614,984.61

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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.