Home / 1,517,165.40-2,275,748.10-720,003.90

Finding the Fourth Proportional to 1,517,165.40, 2,275,748.10 and 720,003.90

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Solution

The fourth proportional to 1,517,165.40, 2,275,748.10 and 720,003.90 is: 1,080,005.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,517,165.40 : 2,275,748.10 = 720,003.90 : x
  2. Step 2: Convert to fraction form
    1,517,165.40/2,275,748.10 = 720,003.90/x
  3. Step 3: Cross multiply
    1,517,165.40x = 2,275,748.10 × 720,003.90
  4. Step 4: Simplify right side
    1,517,165.40x = 1,638,547,507,417.59
  5. Step 5: Solve for x
    x = 1,638,547,507,417.59/1,517,165.40
  6. Step 6: Final answer
    x = 1,080,005.85

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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.