Home / 1,258,901.76-1,889,139.42-510,947.76

Finding the Fourth Proportional to 1,258,901.76, 1,889,139.42 and 510,947.76

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Solution

The fourth proportional to 1,258,901.76, 1,889,139.42 and 510,947.76 is: 766,740.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,901.76 : 1,889,139.42 = 510,947.76 : x
  2. Step 2: Convert to fraction form
    1,258,901.76/1,889,139.42 = 510,947.76/x
  3. Step 3: Cross multiply
    1,258,901.76x = 1,889,139.42 × 510,947.76
  4. Step 4: Simplify right side
    1,258,901.76x = 965,251,554,976.70
  5. Step 5: Solve for x
    x = 965,251,554,976.70/1,258,901.76
  6. Step 6: Final answer
    x = 766,740.97

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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.