Home / 1,790,264.78-2,470,630.57-974,429.02

Finding the Fourth Proportional to 1,790,264.78, 2,470,630.57 and 974,429.02

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Solution

The fourth proportional to 1,790,264.78, 2,470,630.57 and 974,429.02 is: 1,344,747.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,790,264.78 : 2,470,630.57 = 974,429.02 : x
  2. Step 2: Convert to fraction form
    1,790,264.78/2,470,630.57 = 974,429.02/x
  3. Step 3: Cross multiply
    1,790,264.78x = 2,470,630.57 × 974,429.02
  4. Step 4: Simplify right side
    1,790,264.78x = 2,407,454,116,494.49
  5. Step 5: Solve for x
    x = 2,407,454,116,494.49/1,790,264.78
  6. Step 6: Final answer
    x = 1,344,747.52

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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.