Home / 1,424,834.46-1,966,212.50-780,243.55

Finding the Fourth Proportional to 1,424,834.46, 1,966,212.50 and 780,243.55

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Solution

The fourth proportional to 1,424,834.46, 1,966,212.50 and 780,243.55 is: 1,076,703.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,424,834.46 : 1,966,212.50 = 780,243.55 : x
  2. Step 2: Convert to fraction form
    1,424,834.46/1,966,212.50 = 780,243.55/x
  3. Step 3: Cross multiply
    1,424,834.46x = 1,966,212.50 × 780,243.55
  4. Step 4: Simplify right side
    1,424,834.46x = 1,534,124,618,089.45
  5. Step 5: Solve for x
    x = 1,534,124,618,089.45/1,424,834.46
  6. Step 6: Final answer
    x = 1,076,703.76

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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.