Home / 1,135,990.10-1,567,671.40-619,742.42

Finding the Fourth Proportional to 1,135,990.10, 1,567,671.40 and 619,742.42

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Solution

The fourth proportional to 1,135,990.10, 1,567,671.40 and 619,742.42 is: 855,247.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,135,990.10 : 1,567,671.40 = 619,742.42 : x
  2. Step 2: Convert to fraction form
    1,135,990.10/1,567,671.40 = 619,742.42/x
  3. Step 3: Cross multiply
    1,135,990.10x = 1,567,671.40 × 619,742.42
  4. Step 4: Simplify right side
    1,135,990.10x = 971,552,467,200.79
  5. Step 5: Solve for x
    x = 971,552,467,200.79/1,135,990.10
  6. Step 6: Final answer
    x = 855,247.30

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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.