Home / 1,228,309.32-1,842,529.98-386,926.92

Finding the Fourth Proportional to 1,228,309.32, 1,842,529.98 and 386,926.92

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Solution

The fourth proportional to 1,228,309.32, 1,842,529.98 and 386,926.92 is: 580,411.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,309.32 : 1,842,529.98 = 386,926.92 : x
  2. Step 2: Convert to fraction form
    1,228,309.32/1,842,529.98 = 386,926.92/x
  3. Step 3: Cross multiply
    1,228,309.32x = 1,842,529.98 × 386,926.92
  4. Step 4: Simplify right side
    1,228,309.32x = 712,924,450,169.06
  5. Step 5: Solve for x
    x = 712,924,450,169.06/1,228,309.32
  6. Step 6: Final answer
    x = 580,411.17

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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.