Home / 1,020,553.85-1,531,176.75-451,856.63

Finding the Fourth Proportional to 1,020,553.85, 1,531,176.75 and 451,856.63

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Solution

The fourth proportional to 1,020,553.85, 1,531,176.75 and 451,856.63 is: 677,938.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,553.85 : 1,531,176.75 = 451,856.63 : x
  2. Step 2: Convert to fraction form
    1,020,553.85/1,531,176.75 = 451,856.63/x
  3. Step 3: Cross multiply
    1,020,553.85x = 1,531,176.75 × 451,856.63
  4. Step 4: Simplify right side
    1,020,553.85x = 691,872,358,533.47
  5. Step 5: Solve for x
    x = 691,872,358,533.47/1,020,553.85
  6. Step 6: Final answer
    x = 677,938.12

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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.