Home / 1,018,360.65-1,527,540.74-260,203.54

Finding the Fourth Proportional to 1,018,360.65, 1,527,540.74 and 260,203.54

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Solution

The fourth proportional to 1,018,360.65, 1,527,540.74 and 260,203.54 is: 390,305.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,360.65 : 1,527,540.74 = 260,203.54 : x
  2. Step 2: Convert to fraction form
    1,018,360.65/1,527,540.74 = 260,203.54/x
  3. Step 3: Cross multiply
    1,018,360.65x = 1,527,540.74 × 260,203.54
  4. Step 4: Simplify right side
    1,018,360.65x = 397,471,508,225.90
  5. Step 5: Solve for x
    x = 397,471,508,225.90/1,018,360.65
  6. Step 6: Final answer
    x = 390,305.25

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Double scale
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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.