Home / 1,080,071.75-1,618,332.50-369,712.28

Finding the Fourth Proportional to 1,080,071.75, 1,618,332.50 and 369,712.28

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Solution

The fourth proportional to 1,080,071.75, 1,618,332.50 and 369,712.28 is: 553,960.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,080,071.75 : 1,618,332.50 = 369,712.28 : x
  2. Step 2: Convert to fraction form
    1,080,071.75/1,618,332.50 = 369,712.28/x
  3. Step 3: Cross multiply
    1,080,071.75x = 1,618,332.50 × 369,712.28
  4. Step 4: Simplify right side
    1,080,071.75x = 598,317,388,432.88
  5. Step 5: Solve for x
    x = 598,317,388,432.88/1,080,071.75
  6. Step 6: Final answer
    x = 553,960.78

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Double scale
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1.5x scale

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.