Home / 1,307,839.40-1,963,011.90-677,205.80

Finding the Fourth Proportional to 1,307,839.40, 1,963,011.90 and 677,205.80

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Solution

The fourth proportional to 1,307,839.40, 1,963,011.90 and 677,205.80 is: 1,016,457.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,307,839.40 : 1,963,011.90 = 677,205.80 : x
  2. Step 2: Convert to fraction form
    1,307,839.40/1,963,011.90 = 677,205.80/x
  3. Step 3: Cross multiply
    1,307,839.40x = 1,963,011.90 × 677,205.80
  4. Step 4: Simplify right side
    1,307,839.40x = 1,329,363,044,149.02
  5. Step 5: Solve for x
    x = 1,329,363,044,149.02/1,307,839.40
  6. Step 6: Final answer
    x = 1,016,457.41

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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.