Home / 1,035,438.64-1,428,970.22-570,292.43

Finding the Fourth Proportional to 1,035,438.64, 1,428,970.22 and 570,292.43

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Solution

The fourth proportional to 1,035,438.64, 1,428,970.22 and 570,292.43 is: 787,039.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,035,438.64 : 1,428,970.22 = 570,292.43 : x
  2. Step 2: Convert to fraction form
    1,035,438.64/1,428,970.22 = 570,292.43/x
  3. Step 3: Cross multiply
    1,035,438.64x = 1,428,970.22 × 570,292.43
  4. Step 4: Simplify right side
    1,035,438.64x = 814,930,899,161.44
  5. Step 5: Solve for x
    x = 814,930,899,161.44/1,035,438.64
  6. Step 6: Final answer
    x = 787,039.30

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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.