Home / 1,308,038.40-1,963,310.40-677,404.80

Finding the Fourth Proportional to 1,308,038.40, 1,963,310.40 and 677,404.80

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Solution

The fourth proportional to 1,308,038.40, 1,963,310.40 and 677,404.80 is: 1,016,756.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,308,038.40 : 1,963,310.40 = 677,404.80 : x
  2. Step 2: Convert to fraction form
    1,308,038.40/1,963,310.40 = 677,404.80/x
  3. Step 3: Cross multiply
    1,308,038.40x = 1,963,310.40 × 677,404.80
  4. Step 4: Simplify right side
    1,308,038.40x = 1,329,955,888,849.92
  5. Step 5: Solve for x
    x = 1,329,955,888,849.92/1,308,038.40
  6. Step 6: Final answer
    x = 1,016,756.00

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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.