Home / 1,238,621.10-1,855,166.85-955,920.30

Finding the Fourth Proportional to 1,238,621.10, 1,855,166.85 and 955,920.30

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Solution

The fourth proportional to 1,238,621.10, 1,855,166.85 and 955,920.30 is: 1,431,746.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,621.10 : 1,855,166.85 = 955,920.30 : x
  2. Step 2: Convert to fraction form
    1,238,621.10/1,855,166.85 = 955,920.30/x
  3. Step 3: Cross multiply
    1,238,621.10x = 1,855,166.85 × 955,920.30
  4. Step 4: Simplify right side
    1,238,621.10x = 1,773,391,651,802.06
  5. Step 5: Solve for x
    x = 1,773,391,651,802.06/1,238,621.10
  6. Step 6: Final answer
    x = 1,431,746.68

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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.