Home / 1,289,716.52-1,931,624.20-616,271.20

Finding the Fourth Proportional to 1,289,716.52, 1,931,624.20 and 616,271.20

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Solution

The fourth proportional to 1,289,716.52, 1,931,624.20 and 616,271.20 is: 922,996.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,716.52 : 1,931,624.20 = 616,271.20 : x
  2. Step 2: Convert to fraction form
    1,289,716.52/1,931,624.20 = 616,271.20/x
  3. Step 3: Cross multiply
    1,289,716.52x = 1,931,624.20 × 616,271.20
  4. Step 4: Simplify right side
    1,289,716.52x = 1,190,404,363,683.04
  5. Step 5: Solve for x
    x = 1,190,404,363,683.04/1,289,716.52
  6. Step 6: Final answer
    x = 922,996.91

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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.