Home / 1,183,485.60-1,775,228.40-425,690.10

Finding the Fourth Proportional to 1,183,485.60, 1,775,228.40 and 425,690.10

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Solution

The fourth proportional to 1,183,485.60, 1,775,228.40 and 425,690.10 is: 638,535.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,183,485.60 : 1,775,228.40 = 425,690.10 : x
  2. Step 2: Convert to fraction form
    1,183,485.60/1,775,228.40 = 425,690.10/x
  3. Step 3: Cross multiply
    1,183,485.60x = 1,775,228.40 × 425,690.10
  4. Step 4: Simplify right side
    1,183,485.60x = 755,697,155,118.84
  5. Step 5: Solve for x
    x = 755,697,155,118.84/1,183,485.60
  6. Step 6: Final answer
    x = 638,535.15

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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.