Home / 1,038,809.79-1,558,708.20-719,453.16

Finding the Fourth Proportional to 1,038,809.79, 1,558,708.20 and 719,453.16

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Solution

The fourth proportional to 1,038,809.79, 1,558,708.20 and 719,453.16 is: 1,079,521.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,809.79 : 1,558,708.20 = 719,453.16 : x
  2. Step 2: Convert to fraction form
    1,038,809.79/1,558,708.20 = 719,453.16/x
  3. Step 3: Cross multiply
    1,038,809.79x = 1,558,708.20 × 719,453.16
  4. Step 4: Simplify right side
    1,038,809.79x = 1,121,417,540,007.91
  5. Step 5: Solve for x
    x = 1,121,417,540,007.91/1,038,809.79
  6. Step 6: Final answer
    x = 1,079,521.54

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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.