Home / 1,308,646.56-1,962,966.84-410,156.76

Finding the Fourth Proportional to 1,308,646.56, 1,962,966.84 and 410,156.76

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Solution

The fourth proportional to 1,308,646.56, 1,962,966.84 and 410,156.76 is: 615,234.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,308,646.56 : 1,962,966.84 = 410,156.76 : x
  2. Step 2: Convert to fraction form
    1,308,646.56/1,962,966.84 = 410,156.76/x
  3. Step 3: Cross multiply
    1,308,646.56x = 1,962,966.84 × 410,156.76
  4. Step 4: Simplify right side
    1,308,646.56x = 805,124,119,081.84
  5. Step 5: Solve for x
    x = 805,124,119,081.84/1,308,646.56
  6. Step 6: Final answer
    x = 615,234.20

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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.