Home / 1,230,304.90-1,845,457.35-520,096.90

Finding the Fourth Proportional to 1,230,304.90, 1,845,457.35 and 520,096.90

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Solution

The fourth proportional to 1,230,304.90, 1,845,457.35 and 520,096.90 is: 780,145.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,304.90 : 1,845,457.35 = 520,096.90 : x
  2. Step 2: Convert to fraction form
    1,230,304.90/1,845,457.35 = 520,096.90/x
  3. Step 3: Cross multiply
    1,230,304.90x = 1,845,457.35 × 520,096.90
  4. Step 4: Simplify right side
    1,230,304.90x = 959,816,646,817.22
  5. Step 5: Solve for x
    x = 959,816,646,817.22/1,230,304.90
  6. Step 6: Final answer
    x = 780,145.35

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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.