Home / 1,065,388.80-1,598,689.08-391,383.48

Finding the Fourth Proportional to 1,065,388.80, 1,598,689.08 and 391,383.48

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Solution

The fourth proportional to 1,065,388.80, 1,598,689.08 and 391,383.48 is: 587,297.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,065,388.80 : 1,598,689.08 = 391,383.48 : x
  2. Step 2: Convert to fraction form
    1,065,388.80/1,598,689.08 = 391,383.48/x
  3. Step 3: Cross multiply
    1,065,388.80x = 1,598,689.08 × 391,383.48
  4. Step 4: Simplify right side
    1,065,388.80x = 625,700,495,568.40
  5. Step 5: Solve for x
    x = 625,700,495,568.40/1,065,388.80
  6. Step 6: Final answer
    x = 587,297.80

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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.