Home / 814,452.40-1,224,011.40-711,809.20

Finding the Fourth Proportional to 814,452.40, 1,224,011.40 and 711,809.20

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Solution

The fourth proportional to 814,452.40, 1,224,011.40 and 711,809.20 is: 1,069,752.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,452.40 : 1,224,011.40 = 711,809.20 : x
  2. Step 2: Convert to fraction form
    814,452.40/1,224,011.40 = 711,809.20/x
  3. Step 3: Cross multiply
    814,452.40x = 1,224,011.40 × 711,809.20
  4. Step 4: Simplify right side
    814,452.40x = 871,262,575,424.88
  5. Step 5: Solve for x
    x = 871,262,575,424.88/814,452.40
  6. Step 6: Final answer
    x = 1,069,752.60

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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.