Home / 1,750,343.10-2,625,514.65-420,647.10

Finding the Fourth Proportional to 1,750,343.10, 2,625,514.65 and 420,647.10

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Solution

The fourth proportional to 1,750,343.10, 2,625,514.65 and 420,647.10 is: 630,970.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,750,343.10 : 2,625,514.65 = 420,647.10 : x
  2. Step 2: Convert to fraction form
    1,750,343.10/2,625,514.65 = 420,647.10/x
  3. Step 3: Cross multiply
    1,750,343.10x = 2,625,514.65 × 420,647.10
  4. Step 4: Simplify right side
    1,750,343.10x = 1,104,415,123,530.01
  5. Step 5: Solve for x
    x = 1,104,415,123,530.01/1,750,343.10
  6. Step 6: Final answer
    x = 630,970.65

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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.