Home / 999,772.29-1,499,880.33-392,619.17

Finding the Fourth Proportional to 999,772.29, 1,499,880.33 and 392,619.17

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Solution

The fourth proportional to 999,772.29, 1,499,880.33 and 392,619.17 is: 589,015.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,772.29 : 1,499,880.33 = 392,619.17 : x
  2. Step 2: Convert to fraction form
    999,772.29/1,499,880.33 = 392,619.17/x
  3. Step 3: Cross multiply
    999,772.29x = 1,499,880.33 × 392,619.17
  4. Step 4: Simplify right side
    999,772.29x = 588,881,774,013.63
  5. Step 5: Solve for x
    x = 588,881,774,013.63/999,772.29
  6. Step 6: Final answer
    x = 589,015.90

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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.