Home / 1,473,830.78-2,211,132.51-462,911.90

Finding the Fourth Proportional to 1,473,830.78, 2,211,132.51 and 462,911.90

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Solution

The fourth proportional to 1,473,830.78, 2,211,132.51 and 462,911.90 is: 694,489.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,473,830.78 : 2,211,132.51 = 462,911.90 : x
  2. Step 2: Convert to fraction form
    1,473,830.78/2,211,132.51 = 462,911.90/x
  3. Step 3: Cross multiply
    1,473,830.78x = 2,211,132.51 × 462,911.90
  4. Step 4: Simplify right side
    1,473,830.78x = 1,023,559,551,355.87
  5. Step 5: Solve for x
    x = 1,023,559,551,355.87/1,473,830.78
  6. Step 6: Final answer
    x = 694,489.19

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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.