Home / 1,206,981.60-1,810,691.10-606,431.40

Finding the Fourth Proportional to 1,206,981.60, 1,810,691.10 and 606,431.40

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Solution

The fourth proportional to 1,206,981.60, 1,810,691.10 and 606,431.40 is: 909,756.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,981.60 : 1,810,691.10 = 606,431.40 : x
  2. Step 2: Convert to fraction form
    1,206,981.60/1,810,691.10 = 606,431.40/x
  3. Step 3: Cross multiply
    1,206,981.60x = 1,810,691.10 × 606,431.40
  4. Step 4: Simplify right side
    1,206,981.60x = 1,098,059,938,740.54
  5. Step 5: Solve for x
    x = 1,098,059,938,740.54/1,206,981.60
  6. Step 6: Final answer
    x = 909,756.98

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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.