Home / 1,315,457.85-1,815,297.43-734,665.17

Finding the Fourth Proportional to 1,315,457.85, 1,815,297.43 and 734,665.17

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Solution

The fourth proportional to 1,315,457.85, 1,815,297.43 and 734,665.17 is: 1,013,818.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,315,457.85 : 1,815,297.43 = 734,665.17 : x
  2. Step 2: Convert to fraction form
    1,315,457.85/1,815,297.43 = 734,665.17/x
  3. Step 3: Cross multiply
    1,315,457.85x = 1,815,297.43 × 734,665.17
  4. Step 4: Simplify right side
    1,315,457.85x = 1,333,635,801,359.71
  5. Step 5: Solve for x
    x = 1,333,635,801,359.71/1,315,457.85
  6. Step 6: Final answer
    x = 1,013,818.72

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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.