Home / 1,237,220.60-1,855,830.90-607,364.60

Finding the Fourth Proportional to 1,237,220.60, 1,855,830.90 and 607,364.60

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Solution

The fourth proportional to 1,237,220.60, 1,855,830.90 and 607,364.60 is: 911,046.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,237,220.60 : 1,855,830.90 = 607,364.60 : x
  2. Step 2: Convert to fraction form
    1,237,220.60/1,855,830.90 = 607,364.60/x
  3. Step 3: Cross multiply
    1,237,220.60x = 1,855,830.90 × 607,364.60
  4. Step 4: Simplify right side
    1,237,220.60x = 1,127,165,992,246.14
  5. Step 5: Solve for x
    x = 1,127,165,992,246.14/1,237,220.60
  6. Step 6: Final answer
    x = 911,046.90

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Double scale
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Similar ratio
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1.5x scale

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.