Home / 1,439,783.60-1,987,122.12-888,820.16

Finding the Fourth Proportional to 1,439,783.60, 1,987,122.12 and 888,820.16

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Solution

The fourth proportional to 1,439,783.60, 1,987,122.12 and 888,820.16 is: 1,226,708.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,439,783.60 : 1,987,122.12 = 888,820.16 : x
  2. Step 2: Convert to fraction form
    1,439,783.60/1,987,122.12 = 888,820.16/x
  3. Step 3: Cross multiply
    1,439,783.60x = 1,987,122.12 × 888,820.16
  4. Step 4: Simplify right side
    1,439,783.60x = 1,766,194,200,637.94
  5. Step 5: Solve for x
    x = 1,766,194,200,637.94/1,439,783.60
  6. Step 6: Final answer
    x = 1,226,708.10

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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.