Home / 1,020,856.64-1,408,782.15-568,254.56

Finding the Fourth Proportional to 1,020,856.64, 1,408,782.15 and 568,254.56

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Solution

The fourth proportional to 1,020,856.64, 1,408,782.15 and 568,254.56 is: 784,191.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,856.64 : 1,408,782.15 = 568,254.56 : x
  2. Step 2: Convert to fraction form
    1,020,856.64/1,408,782.15 = 568,254.56/x
  3. Step 3: Cross multiply
    1,020,856.64x = 1,408,782.15 × 568,254.56
  4. Step 4: Simplify right side
    1,020,856.64x = 800,546,880,784.10
  5. Step 5: Solve for x
    x = 800,546,880,784.10/1,020,856.64
  6. Step 6: Final answer
    x = 784,191.29

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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.