Home / 1,308,756.84-1,963,159.86-410,178.68

Finding the Fourth Proportional to 1,308,756.84, 1,963,159.86 and 410,178.68

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Solution

The fourth proportional to 1,308,756.84, 1,963,159.86 and 410,178.68 is: 615,275.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,308,756.84 : 1,963,159.86 = 410,178.68 : x
  2. Step 2: Convert to fraction form
    1,308,756.84/1,963,159.86 = 410,178.68/x
  3. Step 3: Cross multiply
    1,308,756.84x = 1,963,159.86 × 410,178.68
  4. Step 4: Simplify right side
    1,308,756.84x = 805,246,317,952.89
  5. Step 5: Solve for x
    x = 805,246,317,952.89/1,308,756.84
  6. Step 6: Final answer
    x = 615,275.73

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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.