Home / 1,214,607.72-1,820,462.05-565,310.19

Finding the Fourth Proportional to 1,214,607.72, 1,820,462.05 and 565,310.19

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Solution

The fourth proportional to 1,214,607.72, 1,820,462.05 and 565,310.19 is: 847,290.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,607.72 : 1,820,462.05 = 565,310.19 : x
  2. Step 2: Convert to fraction form
    1,214,607.72/1,820,462.05 = 565,310.19/x
  3. Step 3: Cross multiply
    1,214,607.72x = 1,820,462.05 × 565,310.19
  4. Step 4: Simplify right side
    1,214,607.72x = 1,029,125,747,373.29
  5. Step 5: Solve for x
    x = 1,029,125,747,373.29/1,214,607.72
  6. Step 6: Final answer
    x = 847,290.64

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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.