Home / 1,523,615.90-2,102,740.38-870,339.69

Finding the Fourth Proportional to 1,523,615.90, 2,102,740.38 and 870,339.69

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Solution

The fourth proportional to 1,523,615.90, 2,102,740.38 and 870,339.69 is: 1,201,154.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,523,615.90 : 2,102,740.38 = 870,339.69 : x
  2. Step 2: Convert to fraction form
    1,523,615.90/2,102,740.38 = 870,339.69/x
  3. Step 3: Cross multiply
    1,523,615.90x = 2,102,740.38 × 870,339.69
  4. Step 4: Simplify right side
    1,523,615.90x = 1,830,098,410,479.68
  5. Step 5: Solve for x
    x = 1,830,098,410,479.68/1,523,615.90
  6. Step 6: Final answer
    x = 1,201,154.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.