Home / 1,465,368.60-2,198,052.90-1,288,221.60

Finding the Fourth Proportional to 1,465,368.60, 2,198,052.90 and 1,288,221.60

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Solution

The fourth proportional to 1,465,368.60, 2,198,052.90 and 1,288,221.60 is: 1,932,332.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,465,368.60 : 2,198,052.90 = 1,288,221.60 : x
  2. Step 2: Convert to fraction form
    1,465,368.60/2,198,052.90 = 1,288,221.60/x
  3. Step 3: Cross multiply
    1,465,368.60x = 2,198,052.90 × 1,288,221.60
  4. Step 4: Simplify right side
    1,465,368.60x = 2,831,579,223,722.64
  5. Step 5: Solve for x
    x = 2,831,579,223,722.64/1,465,368.60
  6. Step 6: Final answer
    x = 1,932,332.40

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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.