Home / 1,025,860.60-1,539,665.70-458,115.40

Finding the Fourth Proportional to 1,025,860.60, 1,539,665.70 and 458,115.40

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Solution

The fourth proportional to 1,025,860.60, 1,539,665.70 and 458,115.40 is: 687,563.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,025,860.60 : 1,539,665.70 = 458,115.40 : x
  2. Step 2: Convert to fraction form
    1,025,860.60/1,539,665.70 = 458,115.40/x
  3. Step 3: Cross multiply
    1,025,860.60x = 1,539,665.70 × 458,115.40
  4. Step 4: Simplify right side
    1,025,860.60x = 705,344,568,021.78
  5. Step 5: Solve for x
    x = 705,344,568,021.78/1,025,860.60
  6. Step 6: Final answer
    x = 687,563.76

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1.5x scale

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.