Home / 1,245,947.70-1,868,921.55-847,366.95

Finding the Fourth Proportional to 1,245,947.70, 1,868,921.55 and 847,366.95

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Solution

The fourth proportional to 1,245,947.70, 1,868,921.55 and 847,366.95 is: 1,271,050.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,947.70 : 1,868,921.55 = 847,366.95 : x
  2. Step 2: Convert to fraction form
    1,245,947.70/1,868,921.55 = 847,366.95/x
  3. Step 3: Cross multiply
    1,245,947.70x = 1,868,921.55 × 847,366.95
  4. Step 4: Simplify right side
    1,245,947.70x = 1,583,662,353,612.77
  5. Step 5: Solve for x
    x = 1,583,662,353,612.77/1,245,947.70
  6. Step 6: Final answer
    x = 1,271,050.43

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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.