Home / 1,109,415.69-1,531,000.85-650,427.57

Finding the Fourth Proportional to 1,109,415.69, 1,531,000.85 and 650,427.57

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Solution

The fourth proportional to 1,109,415.69, 1,531,000.85 and 650,427.57 is: 897,594.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,415.69 : 1,531,000.85 = 650,427.57 : x
  2. Step 2: Convert to fraction form
    1,109,415.69/1,531,000.85 = 650,427.57/x
  3. Step 3: Cross multiply
    1,109,415.69x = 1,531,000.85 × 650,427.57
  4. Step 4: Simplify right side
    1,109,415.69x = 995,805,159,281.30
  5. Step 5: Solve for x
    x = 995,805,159,281.30/1,109,415.69
  6. Step 6: Final answer
    x = 897,594.26

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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.