Home / 1,119,393.90-1,679,783.40-587,296.80

Finding the Fourth Proportional to 1,119,393.90, 1,679,783.40 and 587,296.80

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Solution

The fourth proportional to 1,119,393.90, 1,679,783.40 and 587,296.80 is: 881,308.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,393.90 : 1,679,783.40 = 587,296.80 : x
  2. Step 2: Convert to fraction form
    1,119,393.90/1,679,783.40 = 587,296.80/x
  3. Step 3: Cross multiply
    1,119,393.90x = 1,679,783.40 × 587,296.80
  4. Step 4: Simplify right side
    1,119,393.90x = 986,531,415,513.12
  5. Step 5: Solve for x
    x = 986,531,415,513.12/1,119,393.90
  6. Step 6: Final answer
    x = 881,308.55

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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.