Home / 1,025,266.60-1,538,066.22-385,620.40

Finding the Fourth Proportional to 1,025,266.60, 1,538,066.22 and 385,620.40

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Solution

The fourth proportional to 1,025,266.60, 1,538,066.22 and 385,620.40 is: 578,493.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,025,266.60 : 1,538,066.22 = 385,620.40 : x
  2. Step 2: Convert to fraction form
    1,025,266.60/1,538,066.22 = 385,620.40/x
  3. Step 3: Cross multiply
    1,025,266.60x = 1,538,066.22 × 385,620.40
  4. Step 4: Simplify right side
    1,025,266.60x = 593,109,710,982.89
  5. Step 5: Solve for x
    x = 593,109,710,982.89/1,025,266.60
  6. Step 6: Final answer
    x = 578,493.16

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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.