Home / 1,073,140.20-1,609,710.30-1,020,652.20

Finding the Fourth Proportional to 1,073,140.20, 1,609,710.30 and 1,020,652.20

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Solution

The fourth proportional to 1,073,140.20, 1,609,710.30 and 1,020,652.20 is: 1,530,978.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,073,140.20 : 1,609,710.30 = 1,020,652.20 : x
  2. Step 2: Convert to fraction form
    1,073,140.20/1,609,710.30 = 1,020,652.20/x
  3. Step 3: Cross multiply
    1,073,140.20x = 1,609,710.30 × 1,020,652.20
  4. Step 4: Simplify right side
    1,073,140.20x = 1,642,954,359,057.66
  5. Step 5: Solve for x
    x = 1,642,954,359,057.66/1,073,140.20
  6. Step 6: Final answer
    x = 1,530,978.30

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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.