Home / 1,122,302.30-1,683,453.45-280,852.70

Finding the Fourth Proportional to 1,122,302.30, 1,683,453.45 and 280,852.70

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Solution

The fourth proportional to 1,122,302.30, 1,683,453.45 and 280,852.70 is: 421,279.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,302.30 : 1,683,453.45 = 280,852.70 : x
  2. Step 2: Convert to fraction form
    1,122,302.30/1,683,453.45 = 280,852.70/x
  3. Step 3: Cross multiply
    1,122,302.30x = 1,683,453.45 × 280,852.70
  4. Step 4: Simplify right side
    1,122,302.30x = 472,802,446,756.82
  5. Step 5: Solve for x
    x = 472,802,446,756.82/1,122,302.30
  6. Step 6: Final answer
    x = 421,279.05

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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.