Home / 1,017,728.60-1,525,518.27-777,318.95

Finding the Fourth Proportional to 1,017,728.60, 1,525,518.27 and 777,318.95

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Solution

The fourth proportional to 1,017,728.60, 1,525,518.27 and 777,318.95 is: 1,165,157.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,017,728.60 : 1,525,518.27 = 777,318.95 : x
  2. Step 2: Convert to fraction form
    1,017,728.60/1,525,518.27 = 777,318.95/x
  3. Step 3: Cross multiply
    1,017,728.60x = 1,525,518.27 × 777,318.95
  4. Step 4: Simplify right side
    1,017,728.60x = 1,185,814,252,214.63
  5. Step 5: Solve for x
    x = 1,185,814,252,214.63/1,017,728.60
  6. Step 6: Final answer
    x = 1,165,157.64

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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.