Home / 1,688,091.03-2,532,125.61-425,919.87

Finding the Fourth Proportional to 1,688,091.03, 2,532,125.61 and 425,919.87

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Solution

The fourth proportional to 1,688,091.03, 2,532,125.61 and 425,919.87 is: 638,877.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,688,091.03 : 2,532,125.61 = 425,919.87 : x
  2. Step 2: Convert to fraction form
    1,688,091.03/2,532,125.61 = 425,919.87/x
  3. Step 3: Cross multiply
    1,688,091.03x = 2,532,125.61 × 425,919.87
  4. Step 4: Simplify right side
    1,688,091.03x = 1,078,482,610,634.87
  5. Step 5: Solve for x
    x = 1,078,482,610,634.87/1,688,091.03
  6. Step 6: Final answer
    x = 638,877.05

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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.