Home / 774,121.20-1,159,626.60-537,730.80

Finding the Fourth Proportional to 774,121.20, 1,159,626.60 and 537,730.80

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Solution

The fourth proportional to 774,121.20, 1,159,626.60 and 537,730.80 is: 805,515.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,121.20 : 1,159,626.60 = 537,730.80 : x
  2. Step 2: Convert to fraction form
    774,121.20/1,159,626.60 = 537,730.80/x
  3. Step 3: Cross multiply
    774,121.20x = 1,159,626.60 × 537,730.80
  4. Step 4: Simplify right side
    774,121.20x = 623,566,939,319.28
  5. Step 5: Solve for x
    x = 623,566,939,319.28/774,121.20
  6. Step 6: Final answer
    x = 805,515.91

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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.