Home / 1,497,259.20-2,245,888.80-432,408.90

Finding the Fourth Proportional to 1,497,259.20, 2,245,888.80 and 432,408.90

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Solution

The fourth proportional to 1,497,259.20, 2,245,888.80 and 432,408.90 is: 648,613.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,497,259.20 : 2,245,888.80 = 432,408.90 : x
  2. Step 2: Convert to fraction form
    1,497,259.20/2,245,888.80 = 432,408.90/x
  3. Step 3: Cross multiply
    1,497,259.20x = 2,245,888.80 × 432,408.90
  4. Step 4: Simplify right side
    1,497,259.20x = 971,142,305,530.32
  5. Step 5: Solve for x
    x = 971,142,305,530.32/1,497,259.20
  6. Step 6: Final answer
    x = 648,613.35

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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.