Home / 929,706.40-1,394,559.60-772,242.40

Finding the Fourth Proportional to 929,706.40, 1,394,559.60 and 772,242.40

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Solution

The fourth proportional to 929,706.40, 1,394,559.60 and 772,242.40 is: 1,158,363.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,706.40 : 1,394,559.60 = 772,242.40 : x
  2. Step 2: Convert to fraction form
    929,706.40/1,394,559.60 = 772,242.40/x
  3. Step 3: Cross multiply
    929,706.40x = 1,394,559.60 × 772,242.40
  4. Step 4: Simplify right side
    929,706.40x = 1,076,938,052,447.04
  5. Step 5: Solve for x
    x = 1,076,938,052,447.04/929,706.40
  6. Step 6: Final answer
    x = 1,158,363.60

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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.