Home / 1,569,152.85-2,353,729.28-1,214,421.45

Finding the Fourth Proportional to 1,569,152.85, 2,353,729.28 and 1,214,421.45

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Solution

The fourth proportional to 1,569,152.85, 2,353,729.28 and 1,214,421.45 is: 1,821,632.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,569,152.85 : 2,353,729.28 = 1,214,421.45 : x
  2. Step 2: Convert to fraction form
    1,569,152.85/2,353,729.28 = 1,214,421.45/x
  3. Step 3: Cross multiply
    1,569,152.85x = 2,353,729.28 × 1,214,421.45
  4. Step 4: Simplify right side
    1,569,152.85x = 2,858,419,319,052.95
  5. Step 5: Solve for x
    x = 2,858,419,319,052.95/1,569,152.85
  6. Step 6: Final answer
    x = 1,821,632.18

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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.