Home / 1,787,731.53-2,467,017.60-1,013,434.20

Finding the Fourth Proportional to 1,787,731.53, 2,467,017.60 and 1,013,434.20

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Solution

The fourth proportional to 1,787,731.53, 2,467,017.60 and 1,013,434.20 is: 1,398,509.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,787,731.53 : 2,467,017.60 = 1,013,434.20 : x
  2. Step 2: Convert to fraction form
    1,787,731.53/2,467,017.60 = 1,013,434.20/x
  3. Step 3: Cross multiply
    1,787,731.53x = 2,467,017.60 × 1,013,434.20
  4. Step 4: Simplify right side
    1,787,731.53x = 2,500,160,007,841.92
  5. Step 5: Solve for x
    x = 2,500,160,007,841.92/1,787,731.53
  6. Step 6: Final answer
    x = 1,398,509.77

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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.