Home / 1,122,770.13-1,549,421.25-639,335.27

Finding the Fourth Proportional to 1,122,770.13, 1,549,421.25 and 639,335.27

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Solution

The fourth proportional to 1,122,770.13, 1,549,421.25 and 639,335.27 is: 882,281.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,770.13 : 1,549,421.25 = 639,335.27 : x
  2. Step 2: Convert to fraction form
    1,122,770.13/1,549,421.25 = 639,335.27/x
  3. Step 3: Cross multiply
    1,122,770.13x = 1,549,421.25 × 639,335.27
  4. Step 4: Simplify right side
    1,122,770.13x = 990,599,657,086.04
  5. Step 5: Solve for x
    x = 990,599,657,086.04/1,122,770.13
  6. Step 6: Final answer
    x = 882,281.81

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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.