Home / 1,018,537.93-1,527,800.82-260,378.20

Finding the Fourth Proportional to 1,018,537.93, 1,527,800.82 and 260,378.20

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Solution

The fourth proportional to 1,018,537.93, 1,527,800.82 and 260,378.20 is: 390,565.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,537.93 : 1,527,800.82 = 260,378.20 : x
  2. Step 2: Convert to fraction form
    1,018,537.93/1,527,800.82 = 260,378.20/x
  3. Step 3: Cross multiply
    1,018,537.93x = 1,527,800.82 × 260,378.20
  4. Step 4: Simplify right side
    1,018,537.93x = 397,806,024,377.79
  5. Step 5: Solve for x
    x = 397,806,024,377.79/1,018,537.93
  6. Step 6: Final answer
    x = 390,565.75

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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.