Home / 1,614,859.20-2,421,705.60-815,875.20

Finding the Fourth Proportional to 1,614,859.20, 2,421,705.60 and 815,875.20

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Solution

The fourth proportional to 1,614,859.20, 2,421,705.60 and 815,875.20 is: 1,223,518.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,614,859.20 : 2,421,705.60 = 815,875.20 : x
  2. Step 2: Convert to fraction form
    1,614,859.20/2,421,705.60 = 815,875.20/x
  3. Step 3: Cross multiply
    1,614,859.20x = 2,421,705.60 × 815,875.20
  4. Step 4: Simplify right side
    1,614,859.20x = 1,975,809,540,741.12
  5. Step 5: Solve for x
    x = 1,975,809,540,741.12/1,614,859.20
  6. Step 6: Final answer
    x = 1,223,518.15

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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.