Home / 1,009,435.10-1,514,735.85-378,412.70

Finding the Fourth Proportional to 1,009,435.10, 1,514,735.85 and 378,412.70

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Solution

The fourth proportional to 1,009,435.10, 1,514,735.85 and 378,412.70 is: 567,837.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,435.10 : 1,514,735.85 = 378,412.70 : x
  2. Step 2: Convert to fraction form
    1,009,435.10/1,514,735.85 = 378,412.70/x
  3. Step 3: Cross multiply
    1,009,435.10x = 1,514,735.85 × 378,412.70
  4. Step 4: Simplify right side
    1,009,435.10x = 573,195,282,785.30
  5. Step 5: Solve for x
    x = 573,195,282,785.30/1,009,435.10
  6. Step 6: Final answer
    x = 567,837.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.