Home / 1,041,146.60-1,561,719.90-331,246.40

Finding the Fourth Proportional to 1,041,146.60, 1,561,719.90 and 331,246.40

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Solution

The fourth proportional to 1,041,146.60, 1,561,719.90 and 331,246.40 is: 496,869.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,041,146.60 : 1,561,719.90 = 331,246.40 : x
  2. Step 2: Convert to fraction form
    1,041,146.60/1,561,719.90 = 331,246.40/x
  3. Step 3: Cross multiply
    1,041,146.60x = 1,561,719.90 × 331,246.40
  4. Step 4: Simplify right side
    1,041,146.60x = 517,314,094,683.36
  5. Step 5: Solve for x
    x = 517,314,094,683.36/1,041,146.60
  6. Step 6: Final answer
    x = 496,869.60

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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.