Home / 1,015,281.78-1,522,926.27-257,123.04

Finding the Fourth Proportional to 1,015,281.78, 1,522,926.27 and 257,123.04

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Solution

The fourth proportional to 1,015,281.78, 1,522,926.27 and 257,123.04 is: 385,685.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,281.78 : 1,522,926.27 = 257,123.04 : x
  2. Step 2: Convert to fraction form
    1,015,281.78/1,522,926.27 = 257,123.04/x
  3. Step 3: Cross multiply
    1,015,281.78x = 1,522,926.27 × 257,123.04
  4. Step 4: Simplify right side
    1,015,281.78x = 391,579,432,238.26
  5. Step 5: Solve for x
    x = 391,579,432,238.26/1,015,281.78
  6. Step 6: Final answer
    x = 385,685.47

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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.