Home / 1,790,480.13-2,470,862.50-974,689.71

Finding the Fourth Proportional to 1,790,480.13, 2,470,862.50 and 974,689.71

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Solution

The fourth proportional to 1,790,480.13, 2,470,862.50 and 974,689.71 is: 1,345,071.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,790,480.13 : 2,470,862.50 = 974,689.71 : x
  2. Step 2: Convert to fraction form
    1,790,480.13/2,470,862.50 = 974,689.71/x
  3. Step 3: Cross multiply
    1,790,480.13x = 2,470,862.50 × 974,689.71
  4. Step 4: Simplify right side
    1,790,480.13x = 2,408,324,253,574.88
  5. Step 5: Solve for x
    x = 2,408,324,253,574.88/1,790,480.13
  6. Step 6: Final answer
    x = 1,345,071.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.