Home / 1,306,634-1,960,454.76-508,478.32

Finding the Fourth Proportional to 1,306,634, 1,960,454.76 and 508,478.32

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Solution

The fourth proportional to 1,306,634, 1,960,454.76 and 508,478.32 is: 762,913.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,306,634 : 1,960,454.76 = 508,478.32 : x
  2. Step 2: Convert to fraction form
    1,306,634/1,960,454.76 = 508,478.32/x
  3. Step 3: Cross multiply
    1,306,634x = 1,960,454.76 × 508,478.32
  4. Step 4: Simplify right side
    1,306,634x = 996,848,742,800.80
  5. Step 5: Solve for x
    x = 996,848,742,800.80/1,306,634
  6. Step 6: Final answer
    x = 762,913.52

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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.