Home / 1,316,635.21-1,975,444.89-518,473.15

Finding the Fourth Proportional to 1,316,635.21, 1,975,444.89 and 518,473.15

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Solution

The fourth proportional to 1,316,635.21, 1,975,444.89 and 518,473.15 is: 777,903.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,635.21 : 1,975,444.89 = 518,473.15 : x
  2. Step 2: Convert to fraction form
    1,316,635.21/1,975,444.89 = 518,473.15/x
  3. Step 3: Cross multiply
    1,316,635.21x = 1,975,444.89 × 518,473.15
  4. Step 4: Simplify right side
    1,316,635.21x = 1,024,215,134,769.70
  5. Step 5: Solve for x
    x = 1,024,215,134,769.70/1,316,635.21
  6. Step 6: Final answer
    x = 777,903.50

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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.