Home / 1,289,722.52-1,931,633.20-616,277.20

Finding the Fourth Proportional to 1,289,722.52, 1,931,633.20 and 616,277.20

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Solution

The fourth proportional to 1,289,722.52, 1,931,633.20 and 616,277.20 is: 923,005.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,722.52 : 1,931,633.20 = 616,277.20 : x
  2. Step 2: Convert to fraction form
    1,289,722.52/1,931,633.20 = 616,277.20/x
  3. Step 3: Cross multiply
    1,289,722.52x = 1,931,633.20 × 616,277.20
  4. Step 4: Simplify right side
    1,289,722.52x = 1,190,421,499,923.04
  5. Step 5: Solve for x
    x = 1,190,421,499,923.04/1,289,722.52
  6. Step 6: Final answer
    x = 923,005.90

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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.