Home / 1,018,355.42-1,527,532.90-260,198.31

Finding the Fourth Proportional to 1,018,355.42, 1,527,532.90 and 260,198.31

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Solution

The fourth proportional to 1,018,355.42, 1,527,532.90 and 260,198.31 is: 390,297.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,355.42 : 1,527,532.90 = 260,198.31 : x
  2. Step 2: Convert to fraction form
    1,018,355.42/1,527,532.90 = 260,198.31/x
  3. Step 3: Cross multiply
    1,018,355.42x = 1,527,532.90 × 260,198.31
  4. Step 4: Simplify right side
    1,018,355.42x = 397,461,471,411.73
  5. Step 5: Solve for x
    x = 397,461,471,411.73/1,018,355.42
  6. Step 6: Final answer
    x = 390,297.40

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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.