Home / 1,719,152.72-2,578,726.12-456,980.40

Finding the Fourth Proportional to 1,719,152.72, 2,578,726.12 and 456,980.40

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Solution

The fourth proportional to 1,719,152.72, 2,578,726.12 and 456,980.40 is: 685,469.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,719,152.72 : 2,578,726.12 = 456,980.40 : x
  2. Step 2: Convert to fraction form
    1,719,152.72/2,578,726.12 = 456,980.40/x
  3. Step 3: Cross multiply
    1,719,152.72x = 2,578,726.12 × 456,980.40
  4. Step 4: Simplify right side
    1,719,152.72x = 1,178,427,293,808.05
  5. Step 5: Solve for x
    x = 1,178,427,293,808.05/1,719,152.72
  6. Step 6: Final answer
    x = 685,469.81

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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.