Home / 1,435,847.40-1,981,465.08-791,267.40

Finding the Fourth Proportional to 1,435,847.40, 1,981,465.08 and 791,267.40

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Solution

The fourth proportional to 1,435,847.40, 1,981,465.08 and 791,267.40 is: 1,091,946.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,435,847.40 : 1,981,465.08 = 791,267.40 : x
  2. Step 2: Convert to fraction form
    1,435,847.40/1,981,465.08 = 791,267.40/x
  3. Step 3: Cross multiply
    1,435,847.40x = 1,981,465.08 × 791,267.40
  4. Step 4: Simplify right side
    1,435,847.40x = 1,567,868,722,042.39
  5. Step 5: Solve for x
    x = 1,567,868,722,042.39/1,435,847.40
  6. Step 6: Final answer
    x = 1,091,946.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.