Home / 1,955,050.80-2,928,758.40-928,920.80

Finding the Fourth Proportional to 1,955,050.80, 2,928,758.40 and 928,920.80

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Solution

The fourth proportional to 1,955,050.80, 2,928,758.40 and 928,920.80 is: 1,391,567.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,955,050.80 : 2,928,758.40 = 928,920.80 : x
  2. Step 2: Convert to fraction form
    1,955,050.80/2,928,758.40 = 928,920.80/x
  3. Step 3: Cross multiply
    1,955,050.80x = 2,928,758.40 × 928,920.80
  4. Step 4: Simplify right side
    1,955,050.80x = 2,720,584,588,790.32
  5. Step 5: Solve for x
    x = 2,720,584,588,790.32/1,955,050.80
  6. Step 6: Final answer
    x = 1,391,567.21

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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.