Home / 1,320,921.08-1,822,878.10-748,072.76

Finding the Fourth Proportional to 1,320,921.08, 1,822,878.10 and 748,072.76

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Solution

The fourth proportional to 1,320,921.08, 1,822,878.10 and 748,072.76 is: 1,032,344.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,320,921.08 : 1,822,878.10 = 748,072.76 : x
  2. Step 2: Convert to fraction form
    1,320,921.08/1,822,878.10 = 748,072.76/x
  3. Step 3: Cross multiply
    1,320,921.08x = 1,822,878.10 × 748,072.76
  4. Step 4: Simplify right side
    1,320,921.08x = 1,363,645,451,410.56
  5. Step 5: Solve for x
    x = 1,363,645,451,410.56/1,320,921.08
  6. Step 6: Final answer
    x = 1,032,344.38

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1.5x scale

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.