Home / 1,490,205.20-2,235,394.20-425,325.20

Finding the Fourth Proportional to 1,490,205.20, 2,235,394.20 and 425,325.20

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Solution

The fourth proportional to 1,490,205.20, 2,235,394.20 and 425,325.20 is: 638,012.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490,205.20 : 2,235,394.20 = 425,325.20 : x
  2. Step 2: Convert to fraction form
    1,490,205.20/2,235,394.20 = 425,325.20/x
  3. Step 3: Cross multiply
    1,490,205.20x = 2,235,394.20 × 425,325.20
  4. Step 4: Simplify right side
    1,490,205.20x = 950,769,485,193.84
  5. Step 5: Solve for x
    x = 950,769,485,193.84/1,490,205.20
  6. Step 6: Final answer
    x = 638,012.46

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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.