Home / 1,025,265.60-1,538,064.72-385,619.40

Finding the Fourth Proportional to 1,025,265.60, 1,538,064.72 and 385,619.40

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Solution

The fourth proportional to 1,025,265.60, 1,538,064.72 and 385,619.40 is: 578,491.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,025,265.60 : 1,538,064.72 = 385,619.40 : x
  2. Step 2: Convert to fraction form
    1,025,265.60/1,538,064.72 = 385,619.40/x
  3. Step 3: Cross multiply
    1,025,265.60x = 1,538,064.72 × 385,619.40
  4. Step 4: Simplify right side
    1,025,265.60x = 593,107,594,487.57
  5. Step 5: Solve for x
    x = 593,107,594,487.57/1,025,265.60
  6. Step 6: Final answer
    x = 578,491.66

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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.