Home / 1,490,624.32-2,057,029.26-870,536.11

Finding the Fourth Proportional to 1,490,624.32, 2,057,029.26 and 870,536.11

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Solution

The fourth proportional to 1,490,624.32, 2,057,029.26 and 870,536.11 is: 1,201,320.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490,624.32 : 2,057,029.26 = 870,536.11 : x
  2. Step 2: Convert to fraction form
    1,490,624.32/2,057,029.26 = 870,536.11/x
  3. Step 3: Cross multiply
    1,490,624.32x = 2,057,029.26 × 870,536.11
  4. Step 4: Simplify right side
    1,490,624.32x = 1,790,718,250,156.58
  5. Step 5: Solve for x
    x = 1,790,718,250,156.58/1,490,624.32
  6. Step 6: Final answer
    x = 1,201,320.97

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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.