Home / 774,127.20-1,159,635.60-537,736.80

Finding the Fourth Proportional to 774,127.20, 1,159,635.60 and 537,736.80

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Solution

The fourth proportional to 774,127.20, 1,159,635.60 and 537,736.80 is: 805,524.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,127.20 : 1,159,635.60 = 537,736.80 : x
  2. Step 2: Convert to fraction form
    774,127.20/1,159,635.60 = 537,736.80/x
  3. Step 3: Cross multiply
    774,127.20x = 1,159,635.60 × 537,736.80
  4. Step 4: Simplify right side
    774,127.20x = 623,578,736,710.08
  5. Step 5: Solve for x
    x = 623,578,736,710.08/774,127.20
  6. Step 6: Final answer
    x = 805,524.90

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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.