Home / 1,308,689.76-1,963,035.84-410,201.76

Finding the Fourth Proportional to 1,308,689.76, 1,963,035.84 and 410,201.76

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Solution

The fourth proportional to 1,308,689.76, 1,963,035.84 and 410,201.76 is: 615,303.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,308,689.76 : 1,963,035.84 = 410,201.76 : x
  2. Step 2: Convert to fraction form
    1,308,689.76/1,963,035.84 = 410,201.76/x
  3. Step 3: Cross multiply
    1,308,689.76x = 1,963,035.84 × 410,201.76
  4. Step 4: Simplify right side
    1,308,689.76x = 805,240,756,511.08
  5. Step 5: Solve for x
    x = 805,240,756,511.08/1,308,689.76
  6. Step 6: Final answer
    x = 615,303.02

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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.