Home / 1,490,863.20-2,057,383.44-837,398.40

Finding the Fourth Proportional to 1,490,863.20, 2,057,383.44 and 837,398.40

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Solution

The fourth proportional to 1,490,863.20, 2,057,383.44 and 837,398.40 is: 1,155,605.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490,863.20 : 2,057,383.44 = 837,398.40 : x
  2. Step 2: Convert to fraction form
    1,490,863.20/2,057,383.44 = 837,398.40/x
  3. Step 3: Cross multiply
    1,490,863.20x = 2,057,383.44 × 837,398.40
  4. Step 4: Simplify right side
    1,490,863.20x = 1,722,849,600,842.50
  5. Step 5: Solve for x
    x = 1,722,849,600,842.50/1,490,863.20
  6. Step 6: Final answer
    x = 1,155,605.42

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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.