Home / 1,247,145.60-1,867,953.60-498,806.40

Finding the Fourth Proportional to 1,247,145.60, 1,867,953.60 and 498,806.40

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Solution

The fourth proportional to 1,247,145.60, 1,867,953.60 and 498,806.40 is: 747,103.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,145.60 : 1,867,953.60 = 498,806.40 : x
  2. Step 2: Convert to fraction form
    1,247,145.60/1,867,953.60 = 498,806.40/x
  3. Step 3: Cross multiply
    1,247,145.60x = 1,867,953.60 × 498,806.40
  4. Step 4: Simplify right side
    1,247,145.60x = 931,747,210,583.04
  5. Step 5: Solve for x
    x = 931,747,210,583.04/1,247,145.60
  6. Step 6: Final answer
    x = 747,103.79

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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.