Home / 1,335,720.12-1,842,714.54-883,640.76

Finding the Fourth Proportional to 1,335,720.12, 1,842,714.54 and 883,640.76

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Solution

The fourth proportional to 1,335,720.12, 1,842,714.54 and 883,640.76 is: 1,219,041.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,335,720.12 : 1,842,714.54 = 883,640.76 : x
  2. Step 2: Convert to fraction form
    1,335,720.12/1,842,714.54 = 883,640.76/x
  3. Step 3: Cross multiply
    1,335,720.12x = 1,842,714.54 × 883,640.76
  4. Step 4: Simplify right side
    1,335,720.12x = 1,628,297,676,588.65
  5. Step 5: Solve for x
    x = 1,628,297,676,588.65/1,335,720.12
  6. Step 6: Final answer
    x = 1,219,041.06

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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.