Home / 1,242,137.16-1,714,216.77-690,911.10

Finding the Fourth Proportional to 1,242,137.16, 1,714,216.77 and 690,911.10

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Solution

The fourth proportional to 1,242,137.16, 1,714,216.77 and 690,911.10 is: 953,494.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,137.16 : 1,714,216.77 = 690,911.10 : x
  2. Step 2: Convert to fraction form
    1,242,137.16/1,714,216.77 = 690,911.10/x
  3. Step 3: Cross multiply
    1,242,137.16x = 1,714,216.77 × 690,911.10
  4. Step 4: Simplify right side
    1,242,137.16x = 1,184,371,394,199.15
  5. Step 5: Solve for x
    x = 1,184,371,394,199.15/1,242,137.16
  6. Step 6: Final answer
    x = 953,494.86

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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.