Home / 1,605,812.60-2,408,718.90-423,860.60

Finding the Fourth Proportional to 1,605,812.60, 2,408,718.90 and 423,860.60

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Solution

The fourth proportional to 1,605,812.60, 2,408,718.90 and 423,860.60 is: 635,790.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,605,812.60 : 2,408,718.90 = 423,860.60 : x
  2. Step 2: Convert to fraction form
    1,605,812.60/2,408,718.90 = 423,860.60/x
  3. Step 3: Cross multiply
    1,605,812.60x = 2,408,718.90 × 423,860.60
  4. Step 4: Simplify right side
    1,605,812.60x = 1,020,961,038,185.34
  5. Step 5: Solve for x
    x = 1,020,961,038,185.34/1,605,812.60
  6. Step 6: Final answer
    x = 635,790.90

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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.