Home / 1,490,212.40-2,235,339.55-425,254.57

Finding the Fourth Proportional to 1,490,212.40, 2,235,339.55 and 425,254.57

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Solution

The fourth proportional to 1,490,212.40, 2,235,339.55 and 425,254.57 is: 637,887.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490,212.40 : 2,235,339.55 = 425,254.57 : x
  2. Step 2: Convert to fraction form
    1,490,212.40/2,235,339.55 = 425,254.57/x
  3. Step 3: Cross multiply
    1,490,212.40x = 2,235,339.55 × 425,254.57
  4. Step 4: Simplify right side
    1,490,212.40x = 950,588,354,614.03
  5. Step 5: Solve for x
    x = 950,588,354,614.03/1,490,212.40
  6. Step 6: Final answer
    x = 637,887.83

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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.