Home / 1,300,403.70-1,950,605.55-458,846.10

Finding the Fourth Proportional to 1,300,403.70, 1,950,605.55 and 458,846.10

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Solution

The fourth proportional to 1,300,403.70, 1,950,605.55 and 458,846.10 is: 688,269.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,300,403.70 : 1,950,605.55 = 458,846.10 : x
  2. Step 2: Convert to fraction form
    1,300,403.70/1,950,605.55 = 458,846.10/x
  3. Step 3: Cross multiply
    1,300,403.70x = 1,950,605.55 × 458,846.10
  4. Step 4: Simplify right side
    1,300,403.70x = 895,027,749,255.86
  5. Step 5: Solve for x
    x = 895,027,749,255.86/1,300,403.70
  6. Step 6: Final answer
    x = 688,269.15

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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.