Home / 1,330,502.10-1,995,753.15-383,903.70

Finding the Fourth Proportional to 1,330,502.10, 1,995,753.15 and 383,903.70

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Solution

The fourth proportional to 1,330,502.10, 1,995,753.15 and 383,903.70 is: 575,855.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,502.10 : 1,995,753.15 = 383,903.70 : x
  2. Step 2: Convert to fraction form
    1,330,502.10/1,995,753.15 = 383,903.70/x
  3. Step 3: Cross multiply
    1,330,502.10x = 1,995,753.15 × 383,903.70
  4. Step 4: Simplify right side
    1,330,502.10x = 766,177,018,571.66
  5. Step 5: Solve for x
    x = 766,177,018,571.66/1,330,502.10
  6. Step 6: Final answer
    x = 575,855.55

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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.