Home / 1,755,123.40-2,632,685.06-425,427.40

Finding the Fourth Proportional to 1,755,123.40, 2,632,685.06 and 425,427.40

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Solution

The fourth proportional to 1,755,123.40, 2,632,685.06 and 425,427.40 is: 638,141.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,755,123.40 : 2,632,685.06 = 425,427.40 : x
  2. Step 2: Convert to fraction form
    1,755,123.40/2,632,685.06 = 425,427.40/x
  3. Step 3: Cross multiply
    1,755,123.40x = 2,632,685.06 × 425,427.40
  4. Step 4: Simplify right side
    1,755,123.40x = 1,120,016,360,094.64
  5. Step 5: Solve for x
    x = 1,120,016,360,094.64/1,755,123.40
  6. Step 6: Final answer
    x = 638,141.09

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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.