Home / 1,685,497.36-2,528,319.88-487,540.78

Finding the Fourth Proportional to 1,685,497.36, 2,528,319.88 and 487,540.78

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Solution

The fourth proportional to 1,685,497.36, 2,528,319.88 and 487,540.78 is: 731,332.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,685,497.36 : 2,528,319.88 = 487,540.78 : x
  2. Step 2: Convert to fraction form
    1,685,497.36/2,528,319.88 = 487,540.78/x
  3. Step 3: Cross multiply
    1,685,497.36x = 2,528,319.88 × 487,540.78
  4. Step 4: Simplify right side
    1,685,497.36x = 1,232,659,046,384.71
  5. Step 5: Solve for x
    x = 1,232,659,046,384.71/1,685,497.36
  6. Step 6: Final answer
    x = 731,332.53

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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.