Home / 1,098,840.90-1,648,261.35-912,216.90

Finding the Fourth Proportional to 1,098,840.90, 1,648,261.35 and 912,216.90

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Solution

The fourth proportional to 1,098,840.90, 1,648,261.35 and 912,216.90 is: 1,368,325.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,840.90 : 1,648,261.35 = 912,216.90 : x
  2. Step 2: Convert to fraction form
    1,098,840.90/1,648,261.35 = 912,216.90/x
  3. Step 3: Cross multiply
    1,098,840.90x = 1,648,261.35 × 912,216.90
  4. Step 4: Simplify right side
    1,098,840.90x = 1,503,571,859,086.82
  5. Step 5: Solve for x
    x = 1,503,571,859,086.82/1,098,840.90
  6. Step 6: Final answer
    x = 1,368,325.35

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Double scale
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Similar ratio
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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.