Home / 1,049,969.60-1,574,954.40-649,311.20

Finding the Fourth Proportional to 1,049,969.60, 1,574,954.40 and 649,311.20

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Solution

The fourth proportional to 1,049,969.60, 1,574,954.40 and 649,311.20 is: 973,966.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,049,969.60 : 1,574,954.40 = 649,311.20 : x
  2. Step 2: Convert to fraction form
    1,049,969.60/1,574,954.40 = 649,311.20/x
  3. Step 3: Cross multiply
    1,049,969.60x = 1,574,954.40 × 649,311.20
  4. Step 4: Simplify right side
    1,049,969.60x = 1,022,635,531,409.28
  5. Step 5: Solve for x
    x = 1,022,635,531,409.28/1,049,969.60
  6. Step 6: Final answer
    x = 973,966.80

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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.