Home / 1,240,464.60-1,859,515.74-398,425.92

Finding the Fourth Proportional to 1,240,464.60, 1,859,515.74 and 398,425.92

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Solution

The fourth proportional to 1,240,464.60, 1,859,515.74 and 398,425.92 is: 597,259.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,464.60 : 1,859,515.74 = 398,425.92 : x
  2. Step 2: Convert to fraction form
    1,240,464.60/1,859,515.74 = 398,425.92/x
  3. Step 3: Cross multiply
    1,240,464.60x = 1,859,515.74 × 398,425.92
  4. Step 4: Simplify right side
    1,240,464.60x = 740,879,269,463.98
  5. Step 5: Solve for x
    x = 740,879,269,463.98/1,240,464.60
  6. Step 6: Final answer
    x = 597,259.50

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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.