Home / 1,458,931.36-2,013,661.20-855,513.76

Finding the Fourth Proportional to 1,458,931.36, 2,013,661.20 and 855,513.76

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Solution

The fourth proportional to 1,458,931.36, 2,013,661.20 and 855,513.76 is: 1,180,805.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,458,931.36 : 2,013,661.20 = 855,513.76 : x
  2. Step 2: Convert to fraction form
    1,458,931.36/2,013,661.20 = 855,513.76/x
  3. Step 3: Cross multiply
    1,458,931.36x = 2,013,661.20 × 855,513.76
  4. Step 4: Simplify right side
    1,458,931.36x = 1,722,714,864,578.11
  5. Step 5: Solve for x
    x = 1,722,714,864,578.11/1,458,931.36
  6. Step 6: Final answer
    x = 1,180,805.97

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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.