Home / 1,097,228.30-1,645,842.45-387,250.70

Finding the Fourth Proportional to 1,097,228.30, 1,645,842.45 and 387,250.70

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Solution

The fourth proportional to 1,097,228.30, 1,645,842.45 and 387,250.70 is: 580,876.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,097,228.30 : 1,645,842.45 = 387,250.70 : x
  2. Step 2: Convert to fraction form
    1,097,228.30/1,645,842.45 = 387,250.70/x
  3. Step 3: Cross multiply
    1,097,228.30x = 1,645,842.45 × 387,250.70
  4. Step 4: Simplify right side
    1,097,228.30x = 637,353,640,852.22
  5. Step 5: Solve for x
    x = 637,353,640,852.22/1,097,228.30
  6. Step 6: Final answer
    x = 580,876.05

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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.