Home / 1,644,315.20-2,466,472.80-1,270,606.40

Finding the Fourth Proportional to 1,644,315.20, 2,466,472.80 and 1,270,606.40

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Solution

The fourth proportional to 1,644,315.20, 2,466,472.80 and 1,270,606.40 is: 1,905,909.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,644,315.20 : 2,466,472.80 = 1,270,606.40 : x
  2. Step 2: Convert to fraction form
    1,644,315.20/2,466,472.80 = 1,270,606.40/x
  3. Step 3: Cross multiply
    1,644,315.20x = 2,466,472.80 × 1,270,606.40
  4. Step 4: Simplify right side
    1,644,315.20x = 3,133,916,125,105.92
  5. Step 5: Solve for x
    x = 3,133,916,125,105.92/1,644,315.20
  6. Step 6: Final answer
    x = 1,905,909.60

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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.