Home / 1,026,421.20-1,416,423.24-573,719.76

Finding the Fourth Proportional to 1,026,421.20, 1,416,423.24 and 573,719.76

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Solution

The fourth proportional to 1,026,421.20, 1,416,423.24 and 573,719.76 is: 791,712.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,026,421.20 : 1,416,423.24 = 573,719.76 : x
  2. Step 2: Convert to fraction form
    1,026,421.20/1,416,423.24 = 573,719.76/x
  3. Step 3: Cross multiply
    1,026,421.20x = 1,416,423.24 × 573,719.76
  4. Step 4: Simplify right side
    1,026,421.20x = 812,630,001,311.22
  5. Step 5: Solve for x
    x = 812,630,001,311.22/1,026,421.20
  6. Step 6: Final answer
    x = 791,712.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.