Home / 1,230,334.40-1,845,501.60-520,126.40

Finding the Fourth Proportional to 1,230,334.40, 1,845,501.60 and 520,126.40

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Solution

The fourth proportional to 1,230,334.40, 1,845,501.60 and 520,126.40 is: 780,189.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,334.40 : 1,845,501.60 = 520,126.40 : x
  2. Step 2: Convert to fraction form
    1,230,334.40/1,845,501.60 = 520,126.40/x
  3. Step 3: Cross multiply
    1,230,334.40x = 1,845,501.60 × 520,126.40
  4. Step 4: Simplify right side
    1,230,334.40x = 959,894,103,402.24
  5. Step 5: Solve for x
    x = 959,894,103,402.24/1,230,334.40
  6. Step 6: Final answer
    x = 780,189.60

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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.