Home / 1,575,305.20-2,361,208.20-865,842.40

Finding the Fourth Proportional to 1,575,305.20, 2,361,208.20 and 865,842.40

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Solution

The fourth proportional to 1,575,305.20, 2,361,208.20 and 865,842.40 is: 1,297,801.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,575,305.20 : 2,361,208.20 = 865,842.40 : x
  2. Step 2: Convert to fraction form
    1,575,305.20/2,361,208.20 = 865,842.40/x
  3. Step 3: Cross multiply
    1,575,305.20x = 2,361,208.20 × 865,842.40
  4. Step 4: Simplify right side
    1,575,305.20x = 2,044,434,174,787.68
  5. Step 5: Solve for x
    x = 2,044,434,174,787.68/1,575,305.20
  6. Step 6: Final answer
    x = 1,297,801.96

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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.