Home / 1,403,080.20-2,105,009.10-930,688.20

Finding the Fourth Proportional to 1,403,080.20, 2,105,009.10 and 930,688.20

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Solution

The fourth proportional to 1,403,080.20, 2,105,009.10 and 930,688.20 is: 1,396,290.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,403,080.20 : 2,105,009.10 = 930,688.20 : x
  2. Step 2: Convert to fraction form
    1,403,080.20/2,105,009.10 = 930,688.20/x
  3. Step 3: Cross multiply
    1,403,080.20x = 2,105,009.10 × 930,688.20
  4. Step 4: Simplify right side
    1,403,080.20x = 1,959,107,130,262.62
  5. Step 5: Solve for x
    x = 1,959,107,130,262.62/1,403,080.20
  6. Step 6: Final answer
    x = 1,396,290.20

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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.